diff --git a/GameMode/FFAManager.cs b/GameMode/FFAManager.cs
index 0e36ba3f5..aefbe8328 100644
--- a/GameMode/FFAManager.cs
+++ b/GameMode/FFAManager.cs
@@ -93,8 +93,9 @@ internal static class FFAManager
         KBScore = new();
         RoundTime = FFA_GameTime.GetInt() + 8;
 
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             KBScore.TryAdd(pc.PlayerId, 0);
         }
     }
@@ -155,7 +156,7 @@ internal static class FFAManager
         }
         catch
         {
-            return Main.AllPlayerControls.Count();
+            return Main.AllPlayerControls.Count;
         }
     }
     public static string GetHudText()
@@ -166,7 +167,7 @@ internal static class FFAManager
     {
         if (killer == null || target == null || Options.CurrentGameMode != CustomGameMode.FFA) return;
         if (target.inVent) return;
-        var totalalive = Main.AllAlivePlayerControls.Count();
+        var totalalive = Main.AllAlivePlayerControls.Count;
         if (FFAShieldedList.TryGetValue(target.PlayerId, out var dur))
         {
             killer.Notify(GetString("FFA_TargetIsShielded"));
@@ -299,7 +300,7 @@ internal static class FFAManager
     {
         if (GameStates.IsMeeting) return string.Empty;
         if (target != null && seer.PlayerId != target.PlayerId) return string.Empty;
-        if (Main.AllAlivePlayerControls.Count() != 2) return string.Empty;
+        if (Main.AllAlivePlayerControls.Count != 2) return string.Empty;
 
         string arrows = string.Empty;
         PlayerControl otherPlayer = null;
@@ -351,8 +352,9 @@ internal static class FFAManager
 
                     List<byte> changePositionPlayers = new();
 
-                    foreach (var pc in Main.AllAlivePlayerControls)
+                    for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
                     {
+                        PlayerControl pc = Main.AllAlivePlayerControls[i];
                         if (changePositionPlayers.Contains(pc.PlayerId) || !pc.IsAlive() || pc.onLadder || pc.inVent) continue;
 
                         var filtered = Main.AllAlivePlayerControls.Where(a =>
@@ -381,8 +383,9 @@ internal static class FFAManager
 
                 if (Main.NormalOptions.MapId == 4) return;
 
-                foreach (var pc in Main.AllAlivePlayerControls)
+                for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
                 {
+                    PlayerControl pc = Main.AllAlivePlayerControls[i];
                     if (pc == null) return;
 
                     bool sync = false;
diff --git a/GameMode/SoloKombatManager.cs b/GameMode/SoloKombatManager.cs
index 81716e406..4b6994296 100644
--- a/GameMode/SoloKombatManager.cs
+++ b/GameMode/SoloKombatManager.cs
@@ -96,8 +96,9 @@ internal static class SoloKombatManager
         KBScore = new();
         RoundTime = KB_GameTime.GetInt() + 8;
 
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             PlayerHPMax.TryAdd(pc.PlayerId, KB_HPMax.GetFloat());
             PlayerHP.TryAdd(pc.PlayerId, KB_HPMax.GetFloat());
             PlayerHPReco.TryAdd(pc.PlayerId, KB_RecoverPerSecond.GetFloat());
@@ -209,7 +210,7 @@ internal static class SoloKombatManager
         }
         catch
         {
-            return Main.AllPlayerControls.Count();
+            return Main.AllPlayerControls.Count;
         }
     }
     public static string GetHudText()
diff --git a/Modules/AntiBlackout.cs b/Modules/AntiBlackout.cs
index 16bca2746..2d762cd0c 100644
--- a/Modules/AntiBlackout.cs
+++ b/Modules/AntiBlackout.cs
@@ -44,8 +44,9 @@ public static class AntiBlackout
         {
             int numImpostors = 0;
             int numCrewmates = 0;
-            foreach (var pc in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
+                PlayerControl pc = Main.AllPlayerControls[i];
                 if (pc.Data.Role.IsImpostor) numImpostors++;
                 else numCrewmates++;
             }
diff --git a/Modules/Camouflague.cs b/Modules/Camouflague.cs
index 77b6ed824..a2cb8dad2 100644
--- a/Modules/Camouflague.cs
+++ b/Modules/Camouflague.cs
@@ -85,14 +85,10 @@ public static class Camouflage
 
         if (oldIsCamouflage != IsCamouflage)
         {
-            foreach (var pc in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
+                PlayerControl pc = Main.AllPlayerControls[i];
                 RpcSetSkin(pc);
-
-                if (!IsCamouflage)
-                {
-                    pc.RpcRemovePet();
-                }
             }
             Utils.NotifyRoles();
         }
diff --git a/Modules/CustomRoleSelector.cs b/Modules/CustomRoleSelector.cs
index 1e7d8ef2a..7d6dd823d 100644
--- a/Modules/CustomRoleSelector.cs
+++ b/Modules/CustomRoleSelector.cs
@@ -16,7 +16,7 @@ internal class CustomRoleSelector
         // 开始职业抽取
         RoleResult = new();
         var rd = IRandom.Instance;
-        int playerCount = Main.AllAlivePlayerControls.Count();
+        int playerCount = Main.AllAlivePlayerControls.Count;
         int optImpNum = Main.RealOptionsData.GetInt(Int32OptionNames.NumImpostors);
         int optNonNeutralKillingNum = 0;
         int optNeutralKillingNum = 0;
@@ -60,15 +60,23 @@ internal class CustomRoleSelector
         if (Options.CurrentGameMode == CustomGameMode.SoloKombat)
         {
             RoleResult = new();
-            foreach (var pc in Main.AllAlivePlayerControls)
+            for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
+            {
+                PlayerControl pc = Main.AllAlivePlayerControls[i];
                 RoleResult.Add(pc, CustomRoles.KB_Normal);
+            }
+
             return;
         }
         if (Options.CurrentGameMode == CustomGameMode.FFA)
         {
             RoleResult = new();
-            foreach (var pc in Main.AllAlivePlayerControls)
+            for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
+            {
+                PlayerControl pc = Main.AllAlivePlayerControls[i];
                 RoleResult.Add(pc, CustomRoles.Killer);
+            }
+
             return;
         }
 
@@ -320,7 +328,7 @@ internal class CustomRoleSelector
             }
         }
 
-        var AllPlayer = Main.AllAlivePlayerControls.ToList();
+        var AllPlayer = Main.AllAlivePlayerControls;
 
         while (AllPlayer.Any() && rolesToAssign.Any())
         {
diff --git a/Modules/DisableDevice.cs b/Modules/DisableDevice.cs
index 194970992..bd23ea883 100644
--- a/Modules/DisableDevice.cs
+++ b/Modules/DisableDevice.cs
@@ -45,8 +45,9 @@ class DisableDevice
         if (frame != 0) return;
 
         if (!DoDisable) return;
-        foreach (var pc in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllPlayerControls[i];
             try
             {
                 if (pc.IsModClient()) continue;
diff --git a/Modules/ExtendedPlayerControl.cs b/Modules/ExtendedPlayerControl.cs
index 2cace258f..ff0117034 100644
--- a/Modules/ExtendedPlayerControl.cs
+++ b/Modules/ExtendedPlayerControl.cs
@@ -118,8 +118,9 @@ static class ExtendedPlayerControl
     }
     public static void RpcSetNameEx(this PlayerControl player, string name)
     {
-        foreach (var seer in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
         {
+            PlayerControl seer = Main.AllPlayerControls[i];
             Main.LastNotifyNames[(player.PlayerId, seer.PlayerId)] = name;
         }
         HudManagerPatch.LastSetNameDesyncCount++;
@@ -1325,8 +1326,9 @@ static class ExtendedPlayerControl
     public static Dictionary<string, int> GetAllPlayerLocationsCount()
     {
         Dictionary<string, int> playerRooms = new();
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i1 = 0; i1 < Main.AllAlivePlayerControls.Count; i1++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i1];
             if (!pc.IsAlive() || Pelican.IsEaten(pc.PlayerId)) return null;
             var Rooms = ShipStatus.Instance.AllRooms;
             if (Rooms == null) return null;
diff --git a/Modules/GuessManager.cs b/Modules/GuessManager.cs
index e0c2d13ab..c395ef483 100644
--- a/Modules/GuessManager.cs
+++ b/Modules/GuessManager.cs
@@ -19,8 +19,9 @@ public static class GuessManager
     public static string GetFormatString()
     {
         string text = GetString("PlayerIdList");
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             string id = pc.PlayerId.ToString();
             string name = pc.GetRealName();
             text += $"\n{id} → {name}";
@@ -763,8 +764,8 @@ public static class GuessManager
         var rd = IRandom.Instance;
         string msg;
         string[] command = new string[] { "bet", "bt", "guess", "gs", "shoot", "st", "赌", "猜", "审判", "tl", "判", "审" };
-        var x = Main.AllAlivePlayerControls.ToArray();
-        var totalAlive = Main.AllAlivePlayerControls.Count();
+        var x = Main.AllAlivePlayerControls;
+        var totalAlive = Main.AllAlivePlayerControls.Count;
         for (int i = 0; i < 20; i++)
         {
             //msg = "/";
diff --git a/Modules/MafiaRevengeManager.cs b/Modules/MafiaRevengeManager.cs
index 7b9868217..ef2405616 100644
--- a/Modules/MafiaRevengeManager.cs
+++ b/Modules/MafiaRevengeManager.cs
@@ -32,8 +32,12 @@ public static class MafiaRevengeManager
         if (msg == "/rv")
         {
             string text = GetString("PlayerIdList");
-            foreach (var npc in Main.AllAlivePlayerControls)
+            for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
+            {
+                PlayerControl npc = Main.AllAlivePlayerControls[i];
                 text += "\n" + npc.PlayerId.ToString() + " → (" + npc.GetDisplayRoleName() + ") " + npc.GetRealName();
+            }
+
             Utils.SendMessage(text, pc.PlayerId);
             return true;
         }
diff --git a/Modules/OptionItem/OptionItem.cs b/Modules/OptionItem/OptionItem.cs
index dd0ffc43b..53320ee1e 100644
--- a/Modules/OptionItem/OptionItem.cs
+++ b/Modules/OptionItem/OptionItem.cs
@@ -242,7 +242,7 @@ public abstract class OptionItem
     public static void SyncAllOptions(int targetId = -1)
     {
         if (
-            Main.AllPlayerControls.Count() <= 1
+            Main.AllPlayerControls.Count <= 1
             || AmongUsClient.Instance.AmHost == false
             || PlayerControl.LocalPlayer == null
         ) return;
diff --git a/Modules/RetributionistRevengeManager.cs b/Modules/RetributionistRevengeManager.cs
index 7fdfc679f..3ac5b394e 100644
--- a/Modules/RetributionistRevengeManager.cs
+++ b/Modules/RetributionistRevengeManager.cs
@@ -23,7 +23,7 @@ public static class RetributionistRevengeManager
             else pc.ShowPopUp(GetString("RetributionistKillDisable"));
             return true;
         }
-        int playerCount = Main.AllAlivePlayerControls.Count();
+        int playerCount = Main.AllAlivePlayerControls.Count;
         {
             if (playerCount <= Options.MinimumPlayersAliveToRetri.GetInt())
             {
@@ -54,8 +54,12 @@ public static class RetributionistRevengeManager
         if (msg == "/ret")
         {
             string text = GetString("PlayerIdList");
-            foreach (var npc in Main.AllAlivePlayerControls)
+            for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
+            {
+                PlayerControl npc = Main.AllAlivePlayerControls[i];
                 text += "\n" + npc.PlayerId.ToString() + " → (" + npc.GetDisplayRoleName() + ") " + npc.GetRealName();
+            }
+
             Utils.SendMessage(text, pc.PlayerId);
             return true;
         }
diff --git a/Modules/Utils.cs b/Modules/Utils.cs
index 0cadaea64..1eb95fe9d 100644
--- a/Modules/Utils.cs
+++ b/Modules/Utils.cs
@@ -73,8 +73,11 @@ public static class Utils
     }
     public static void TPAll(Vector2 location)
     {
-        foreach (PlayerControl pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
+        {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             TP(pc.NetTransform, location);
+        }
     }
 
     public static void TP(CustomNetworkTransform nt, Vector2 location)
@@ -195,8 +198,9 @@ public static class Utils
     public static void TargetDies(PlayerControl killer, PlayerControl target)
     {
         if (!target.Data.IsDead || GameStates.IsMeeting) return;
-        foreach (var seer in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
         {
+            PlayerControl seer = Main.AllPlayerControls[i];
             if (KillFlashCheck(killer, target, seer))
             {
                 seer.KillFlash();
@@ -296,7 +300,7 @@ public static class Utils
     }
     public static string GetRoleMode(CustomRoles role, bool parentheses = true)
     {
-        if (Options.HideGameSettings.GetBool() && Main.AllPlayerControls.Count() > 1)
+        if (Options.HideGameSettings.GetBool() && Main.AllPlayerControls.Count > 1)
             return string.Empty;
         string mode = role.GetMode() switch
         {
@@ -1174,8 +1178,9 @@ public static class Utils
     public static List<PlayerControl> GetPlayersInRadius(float radius, Vector2 from)
     {
         var list = new List<PlayerControl>();
-        foreach (var tg in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl tg = Main.AllAlivePlayerControls[i];
             var dis = Vector2.Distance(from, tg.transform.position);
 
             if (Pelican.IsEaten(tg.PlayerId) || Medic.ProtectList.Contains(tg.PlayerId) || tg.inVent) continue;
@@ -1760,8 +1765,9 @@ public static class Utils
         var taskState = GetPlayerById(Terrorist.PlayerId).GetPlayerTaskState();
         if (taskState.IsTaskFinished && (!Main.PlayerStates[Terrorist.PlayerId].IsSuicide() || Options.CanTerroristSuicideWin.GetBool())) //タスクが完了で（自殺じゃない OR 自殺勝ちが許可）されていれば
         {
-            foreach (var pc in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
+                PlayerControl pc = Main.AllPlayerControls[i];
                 if (pc.Is(CustomRoles.Terrorist))
                 {
                     if (Main.PlayerStates[pc.PlayerId].deathReason == PlayerState.DeathReason.Vote)
@@ -2094,8 +2100,9 @@ public static class Utils
             seer.RpcSetNamePrivate(SelfName, true, force: NoCache);
 
             //seerが死んでいる場合など、必要なときのみ第二ループを実行する
-            foreach (var target in Main.AllPlayerControls)
+            for (int i1 = 0; i1 < Main.AllPlayerControls.Count; i1++)
             {
+                PlayerControl target = Main.AllPlayerControls[i1];
                 //targetがseer自身の場合は何もしない
                 if (target.PlayerId == seer.PlayerId) continue;
                 logger.Info("NotifyRoles-Loop2-" + target.GetNameWithRole().RemoveHtmlTags() + ":START");
@@ -2538,8 +2545,9 @@ public static class Utils
         //Pirate.AfterMeetingTask();
 
         if (Options.UsePets.GetBool())
-            foreach (var pc in Main.AllAlivePlayerControls)
+            for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
             {
+                PlayerControl pc = Main.AllAlivePlayerControls[i];
                 switch (pc.GetCustomRole())
                 {
                     case CustomRoles.Doormaster:
@@ -2649,8 +2657,9 @@ public static class Utils
                 if (GameStates.IsMeeting)
                 {
                     //网红死亡消息提示
-                    foreach (var pc in Main.AllPlayerControls)
+                    for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                     {
+                        PlayerControl pc = Main.AllPlayerControls[i];
                         if (!Options.ImpKnowCyberStarDead.GetBool() && pc.GetCustomRole().IsImpostor()) continue;
                         if (!Options.NeutralKnowCyberStarDead.GetBool() && pc.GetCustomRole().IsNeutral()) continue;
                         SendMessage(string.Format(GetString("CyberStarDead"), target.GetRealName()), pc.PlayerId, ColorString(GetRoleColor(CustomRoles.CyberStar), GetString("CyberStarNewsTitle")));
@@ -2757,8 +2766,9 @@ public static class Utils
     {
         int doused = 0, all = 0; //学校で習った書き方
                                  //多分この方がMain.isDousedでforeachするより他のアーソニストの分ループ数少なくて済む
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             if (pc.PlayerId == playerId) continue; //塗れない人は除外 (死んでたり切断済みだったり あとアーソニスト自身も)
 
             all++;
@@ -2773,7 +2783,7 @@ public static class Utils
     {
         int draw = 0;
         int all = Options.RevolutionistDrawCount.GetInt();
-        int max = Main.AllAlivePlayerControls.Count();
+        int max = Main.AllAlivePlayerControls.Count;
         if (!Main.PlayerStates[playerId].IsDead) max--;
         winnerList = new();
         if (all > max) all = max;
@@ -2836,8 +2846,9 @@ public static class Utils
         if (Main.PlayerStates == null) return false;
         //マフィアを除いた生きているインポスターの人数  Number of Living Impostors excluding mafia
         int LivingImpostorsNum = 0;
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             var role = pc.GetCustomRole();
             if (role != CustomRoles.Mafia && role.IsImpostor()) LivingImpostorsNum++;
         }
diff --git a/Patches/ChatCommandPatch.cs b/Patches/ChatCommandPatch.cs
index 20a29a7a2..ae163cfb8 100644
--- a/Patches/ChatCommandPatch.cs
+++ b/Patches/ChatCommandPatch.cs
@@ -204,8 +204,9 @@ internal class ChatCommands
                     if (GameStates.IsLobby || !Options.EnableKillerLeftCommand.GetBool()) break;
                     int impnum = 0;
                     int neutralnum = 0;
-                    foreach (var players in Main.AllAlivePlayerControls)
+                    for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
                     {
+                        PlayerControl players = Main.AllAlivePlayerControls[i];
                         if (Options.ShowImpRemainOnEject.GetBool())
                         {
                             if (players.GetCustomRole().IsImpostor())
@@ -390,8 +391,9 @@ internal class ChatCommands
                         Utils.SendMessage(GetString("Message.CanNotUseInLobby"), PlayerControl.LocalPlayer.PlayerId);
                         break;
                     }
-                    foreach (var pc in Main.AllPlayerControls)
+                    for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                     {
+                        PlayerControl pc = Main.AllPlayerControls[i];
                         pc.RpcSetNameEx(pc.GetRealName(isMeeting: true));
                     }
                     ChatUpdatePatch.DoBlockChat = false;
@@ -402,8 +404,12 @@ internal class ChatCommands
                 case "/id":
                     canceled = true;
                     string msgText = GetString("PlayerIdList");
-                    foreach (var pc in Main.AllPlayerControls)
+                    for (int i = 0; i < Main.AllPlayerControls.Count; i++)
+                    {
+                        PlayerControl pc = Main.AllPlayerControls[i];
                         msgText += "\n" + pc.PlayerId.ToString() + " → " + Main.AllPlayerNames[pc.PlayerId];
+                    }
+
                     Utils.SendMessage(msgText, PlayerControl.LocalPlayer.PlayerId);
                     break;
 
@@ -903,8 +909,12 @@ internal class ChatCommands
                 if (Options.ApplyModeratorList.GetValue() == 0 || !IsPlayerModerator(player.FriendCode)) break;
 
                 string msgText = GetString("PlayerIdList");
-                foreach (var pc in Main.AllPlayerControls)
+                for (int i = 0; i < Main.AllPlayerControls.Count; i++)
+                {
+                    PlayerControl pc = Main.AllPlayerControls[i];
                     msgText += "\n" + pc.PlayerId.ToString() + " → " + Main.AllPlayerNames[pc.PlayerId];
+                }
+
                 Utils.SendMessage(msgText, player.PlayerId);
                 break;
             case "/kick":
@@ -989,8 +999,9 @@ internal class ChatCommands
                 if (GameStates.IsLobby || !Options.EnableKillerLeftCommand.GetBool()) break;
                 int impnum = 0;
                 int neutralnum = 0;
-                foreach (var players in Main.AllAlivePlayerControls)
+                for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
                 {
+                    PlayerControl players = Main.AllAlivePlayerControls[i];
                     if (Options.ShowImpRemainOnEject.GetBool())
                     {
                         if (players.GetCustomRole().IsImpostor())
diff --git a/Patches/ChatControlPatch.cs b/Patches/ChatControlPatch.cs
index 46b3b06d7..93b70249b 100644
--- a/Patches/ChatControlPatch.cs
+++ b/Patches/ChatControlPatch.cs
@@ -147,8 +147,8 @@ public class ChatManager
         string msg = "<size=0>.</size>";
         List<CustomRoles> roles = Enum.GetValues(typeof(CustomRoles)).Cast<CustomRoles>().Where(x => x is not CustomRoles.KB_Normal and not CustomRoles.Killer).ToList();
         string[] specialTexts = new string[] { "bet", "bt", "guess", "gs", "shoot", "st", "赌", "猜", "审判", "tl", "判", "审", "trial" };
-        var totalAlive = Main.AllAlivePlayerControls.Count();
-        var x = Main.AllAlivePlayerControls.ToArray();
+        var totalAlive = Main.AllAlivePlayerControls.Count;
+        var x = Main.AllAlivePlayerControls;
 
         var filtered = chatHistory.Where(a => Utils.GetPlayerById(Convert.ToByte(((string[])a.Split(':'))[0].Trim())).IsAlive()).ToList();
 
diff --git a/Patches/CheckGameEndPatch.cs b/Patches/CheckGameEndPatch.cs
index f1ffdbb3c..9d767d31b 100644
--- a/Patches/CheckGameEndPatch.cs
+++ b/Patches/CheckGameEndPatch.cs
@@ -109,8 +109,9 @@ class GameEndChecker
             }
             if (CustomWinnerHolder.WinnerTeam is not CustomWinner.Draw and not CustomWinner.None and not CustomWinner.Error)
             {
-                foreach (var pc in Main.AllPlayerControls)
+                for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                 {
+                    PlayerControl pc = Main.AllPlayerControls[i];
                     switch (pc.GetCustomRole())
                     {
                         case CustomRoles.DarkHide when !pc.Data.IsDead && ((CustomWinnerHolder.WinnerTeam == CustomWinner.Impostor && !reason.Equals(GameOverReason.ImpostorBySabotage)) || CustomWinnerHolder.WinnerTeam == CustomWinner.DarkHide || (CustomWinnerHolder.WinnerTeam == CustomWinner.Crewmate && !reason.Equals(GameOverReason.HumansByTask) && DarkHide.IsWinKill[pc.PlayerId] == true && DarkHide.SnatchesWin.GetBool())):
@@ -241,8 +242,9 @@ class GameEndChecker
 
                 //Ruthless Romantic partner win condition
                 if (RuthlessRomantic.IsEnable && (CustomWinnerHolder.WinnerIds.Contains(RuthlessRomantic.playerIdList[0]) || (Main.PlayerStates.TryGetValue(RuthlessRomantic.playerIdList[0], out var pz) && CustomWinnerHolder.WinnerRoles.Contains(pz.MainRole))))
-                    foreach (var pc in Main.AllPlayerControls)
+                    for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                     {
+                        PlayerControl pc = Main.AllPlayerControls[i];
                         if (Romantic.BetPlayer.TryGetValue(pc.PlayerId, out var betTarget))
                         {
                             CustomWinnerHolder.WinnerIds.Add(betTarget);
@@ -260,9 +262,12 @@ class GameEndChecker
                 //中立共同胜利
                 if (Options.NeutralWinTogether.GetBool() && CustomWinnerHolder.WinnerIds.Any(x => GetPlayerById(x) != null && GetPlayerById(x).GetCustomRole().IsNeutral()))
                 {
-                    foreach (var pc in Main.AllPlayerControls)
+                    for (int i = 0; i < Main.AllPlayerControls.Count; i++)
+                    {
+                        PlayerControl pc = Main.AllPlayerControls[i];
                         if (pc.GetCustomRole().IsNeutral() && !CustomWinnerHolder.WinnerIds.Contains(pc.PlayerId))
                             CustomWinnerHolder.WinnerIds.Add(pc.PlayerId);
+                    }
                 }
                 else if (Options.NeutralRoleWinTogether.GetBool())
                 {
@@ -270,9 +275,12 @@ class GameEndChecker
                     {
                         var pc = GetPlayerById(id);
                         if (pc == null || !pc.GetCustomRole().IsNeutral()) continue;
-                        foreach (var tar in Main.AllPlayerControls)
+                        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
+                        {
+                            PlayerControl tar = Main.AllPlayerControls[i];
                             if (!CustomWinnerHolder.WinnerIds.Contains(tar.PlayerId) && tar.GetCustomRole() == pc.GetCustomRole())
                                 CustomWinnerHolder.WinnerIds.Add(tar.PlayerId);
+                        }
                     }
                 }
             }
@@ -291,8 +299,9 @@ class GameEndChecker
         //ゴーストロール化
         List<byte> ReviveRequiredPlayerIds = new();
         var winner = CustomWinnerHolder.WinnerTeam;
-        foreach (var pc in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllPlayerControls[i];
             if (winner == CustomWinner.Draw)
             {
                 SetGhostRole(ToGhostImpostor: true);
@@ -386,7 +395,7 @@ class GameEndChecker
         {
             reason = GameOverReason.ImpostorByKill;
 
-            if (CustomRolesHelper.RoleExist(CustomRoles.Sunnyboy) && Main.AllAlivePlayerControls.Count() > 1) return false;
+            if (CustomRolesHelper.RoleExist(CustomRoles.Sunnyboy) && Main.AllAlivePlayerControls.Count > 1) return false;
 
             int Imp = AlivePlayersCount(CountTypes.Impostor);
             int Crew = AlivePlayersCount(CountTypes.Crew);
@@ -431,8 +440,9 @@ class GameEndChecker
                 { (CustomRoles.Agitater,        CustomWinner.Agitater),           AlivePlayersCount(CountTypes.Agitater) },
             };
 
-            foreach (var x in Main.AllAlivePlayerControls)
+            for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
             {
+                PlayerControl x = Main.AllAlivePlayerControls[i];
                 if (x.GetCustomRole().IsImpostor() && x.Is(CustomRoles.DualPersonality)) Imp++;
                 if (x.GetCustomRole().IsCrewmate() && x.Is(CustomRoles.DualPersonality)) Crew++;
                 if (x.GetCustomRole().IsImpostor() && x.Is(CustomRoles.Admired) && x.Is(CustomRoles.DualPersonality)) Crew++;
@@ -577,7 +587,7 @@ class GameEndChecker
 
                 return true;
             }
-            else if (Main.AllAlivePlayerControls.Count() == 1)
+            else if (Main.AllAlivePlayerControls.Count == 1)
             {
                 var winner = Main.AllAlivePlayerControls.FirstOrDefault();
 
diff --git a/Patches/ExilePatch.cs b/Patches/ExilePatch.cs
index 050e54e31..5515c93f0 100644
--- a/Patches/ExilePatch.cs
+++ b/Patches/ExilePatch.cs
@@ -110,8 +110,9 @@ class ExileControllerWrapUpPatch
 
         if (NiceSwapper.Vote.Any() && NiceSwapper.VoteTwo.Any())
         {
-            foreach (var swapper in Main.AllAlivePlayerControls)
+            for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
             {
+                PlayerControl swapper = Main.AllAlivePlayerControls[i];
                 if (swapper.Is(CustomRoles.NiceSwapper))
                 {
                     NiceSwapper.NiceSwappermax[swapper.PlayerId]--;
@@ -122,8 +123,9 @@ class ExileControllerWrapUpPatch
             }
         }
 
-        foreach (var pc in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllPlayerControls[i];
             pc.ResetKillCooldown();
 
             if (pc.Is(CustomRoles.Warlock))
diff --git a/Patches/IntroPatch.cs b/Patches/IntroPatch.cs
index 53f1704a8..a0043e37f 100644
--- a/Patches/IntroPatch.cs
+++ b/Patches/IntroPatch.cs
@@ -66,19 +66,22 @@ class CoBeginPatch
     {
         var logger = Logger.Handler("Info");
         logger.Info("------------Display Names------------");
-        foreach (var pc in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllPlayerControls[i];
             logger.Info($"{(pc.AmOwner ? "[*]" : string.Empty),-3}{pc.PlayerId,-2}:{pc.name.PadRightV2(20)}:{pc.cosmetics.nameText.text} ({Palette.ColorNames[pc.Data.DefaultOutfit.ColorId].ToString().Replace("Color", string.Empty)})");
             pc.cosmetics.nameText.text = pc.name;
         }
         logger.Info("------------Roles------------");
-        foreach (var pc in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllPlayerControls[i];
             logger.Info($"{(pc.AmOwner ? "[*]" : string.Empty),-3}{pc.PlayerId,-2}:{pc?.Data?.PlayerName?.PadRightV2(20)}:{pc.GetAllRoleName().RemoveHtmlTags()}");
         }
         logger.Info("------------Platforms------------");
-        foreach (var pc in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllPlayerControls[i];
             try
             {
                 var text = pc.AmOwner ? "[*]" : "   ";
@@ -105,7 +108,7 @@ class CoBeginPatch
         }
 
         logger.Info("-------------Other Information-------------");
-        logger.Info($"Number of players: {Main.AllPlayerControls.Count()}");
+        logger.Info($"Number of players: {Main.AllPlayerControls.Count}");
         Main.AllPlayerControls.Do(x => Main.PlayerStates[x.PlayerId].InitTask(x));
         GameData.Instance.RecomputeTaskCounts();
         TaskState.InitialTotalTasks = GameData.Instance.TotalTasks;
@@ -527,7 +530,7 @@ class IntroCutsceneDestroyPatch
                     {
                         try
                         {
-                            for (int i = 0; i < Main.AllPlayerControls.Count(); i++)
+                            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                             {
                                 var pc = Main.AllPlayerControls.ElementAt(i);
                                 if (pc.PlayerId == 0) continue;
diff --git a/Patches/MeetingHudPatch.cs b/Patches/MeetingHudPatch.cs
index 68b63e0c5..be7fd819d 100644
--- a/Patches/MeetingHudPatch.cs
+++ b/Patches/MeetingHudPatch.cs
@@ -429,8 +429,9 @@ class CheckForEndVotingPatch
             goto EndOfSession;
         }
 
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             var pc_role = pc.GetCustomRole();
             if (pc_role.IsImpostor() && pc != exiledPlayer.Object)
                 impnum++;
@@ -580,8 +581,9 @@ class CheckForEndVotingPatch
     private static PlayerControl PickRevengeTarget(PlayerControl exiledplayer/*, PlayerState.DeathReason deathReason*/)//道連れ先選定
     {
         List<PlayerControl> TargetList = new();
-        foreach (var candidate in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl candidate = Main.AllAlivePlayerControls[i];
             if (candidate == exiledplayer || Main.AfterMeetingDeathPlayers.ContainsKey(candidate.PlayerId)) continue;
         }
         if (TargetList == null || !TargetList.Any()) return null;
@@ -736,8 +738,9 @@ class MeetingHudStartPatch
             AddMsg(string.Format(GetString("BaitAdviceAlive"), string.Join(separator, baitAliveList)), 255, Utils.ColorString(Utils.GetRoleColor(CustomRoles.Bait), GetString("BaitAliveTitle")));
         }
         string MimicMsg = string.Empty;
-        foreach (var pc in Main.AllPlayerControls)
+        for (int i1 = 0; i1 < Main.AllPlayerControls.Count; i1++)
         {
+            PlayerControl pc = Main.AllPlayerControls[i1];
             //黑手党死后技能提示
             if (pc.Is(CustomRoles.Mafia) && !pc.IsAlive())
                 AddMsg(GetString("MafiaDeadMsg"), pc.PlayerId);
@@ -908,8 +911,9 @@ class MeetingHudStartPatch
         {
             _ = _ = new LateTask(() =>
             {
-                foreach (var pc in Main.AllPlayerControls)
+                for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                 {
+                    PlayerControl pc = Main.AllPlayerControls[i];
                     pc.RpcSetNameEx(pc.GetRealName(isMeeting: true));
                 }
                 ChatUpdatePatch.DoBlockChat = false;
diff --git a/Patches/OutroPatch.cs b/Patches/OutroPatch.cs
index 7a7f35cd9..bfce2e254 100644
--- a/Patches/OutroPatch.cs
+++ b/Patches/OutroPatch.cs
@@ -44,8 +44,9 @@ class EndGamePatch
         //winnerListリセット
         TempData.winners = new Il2CppSystem.Collections.Generic.List<WinningPlayerData>();
         var winner = new List<PlayerControl>();
-        foreach (var pc in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllPlayerControls[i];
             if (CustomWinnerHolder.WinnerIds.Contains(pc.PlayerId)) winner.Add(pc);
         }
         foreach (var team in CustomWinnerHolder.WinnerRoles)
diff --git a/Patches/PetActionsPatch.cs b/Patches/PetActionsPatch.cs
index e0c880ed8..72817eb53 100644
--- a/Patches/PetActionsPatch.cs
+++ b/Patches/PetActionsPatch.cs
@@ -281,8 +281,9 @@ class ExternalRpcPetPatch
                     //if (!pc.IsModClient()) pc.RpcGuardAndKill(pc);
                     pc.Notify(GetString("TimeMasterOnGuard"), Options.TimeMasterSkillDuration.GetFloat());
                     Main.TimeMasterCD.TryAdd(pc.PlayerId, Utils.GetTimeStamp());
-                    foreach (var player in Main.AllPlayerControls)
+                    for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                     {
+                        PlayerControl player = Main.AllPlayerControls[i];
                         if (Main.TimeMasterBackTrack.ContainsKey(player.PlayerId))
                         {
                             var position = Main.TimeMasterBackTrack[player.PlayerId];
@@ -327,8 +328,9 @@ class ExternalRpcPetPatch
                         UnityEngine.Vector2 cppos = cp.transform.position;
                         System.Collections.Generic.Dictionary<PlayerControl, float> cpdistance = new();
                         float dis;
-                        foreach (PlayerControl p in Main.AllAlivePlayerControls)
+                        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
                         {
+                            PlayerControl p = Main.AllAlivePlayerControls[i];
                             if (p.PlayerId == cp.PlayerId) continue;
                             if (!Options.WarlockCanKillSelf.GetBool() && p.PlayerId == pc.PlayerId) continue;
                             if (!Options.WarlockCanKillAllies.GetBool() && p.GetCustomRole().IsImpostor()) continue;
@@ -426,8 +428,9 @@ class ExternalRpcPetPatch
                 }
                 Logger.Info("炸弹爆炸了", "Boom");
                 CustomSoundsManager.RPCPlayCustomSoundAll("Boom");
-                foreach (var tg in Main.AllPlayerControls)
+                for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                 {
+                    PlayerControl tg = Main.AllPlayerControls[i];
                     if (!tg.IsModClient()) tg.KillFlash();
                     var pos = pc.transform.position;
                     var dis = UnityEngine.Vector2.Distance(pos, tg.transform.position);
@@ -443,8 +446,8 @@ class ExternalRpcPetPatch
                 }
                 _ = new LateTask(() =>
                 {
-                    bool totalAlive = Main.AllAlivePlayerControls.Any();
-                    if (Options.BomberDiesInExplosion.GetBool() && totalAlive && !GameStates.IsEnded)
+                    var totalAlive = Main.AllAlivePlayerControls.Count;
+                    if (Options.BomberDiesInExplosion.GetBool() && totalAlive > 1 && !GameStates.IsEnded)
                     {
                         Main.PlayerStates[pc.PlayerId].deathReason = PlayerState.DeathReason.Bombed;
                         pc.RpcMurderPlayerV3(pc);
@@ -461,8 +464,9 @@ class ExternalRpcPetPatch
                 }
                 Logger.Info("炸弹爆炸了", "Boom");
                 CustomSoundsManager.RPCPlayCustomSoundAll("Boom");
-                foreach (var tg in Main.AllPlayerControls)
+                for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                 {
+                    PlayerControl tg = Main.AllPlayerControls[i];
                     if (!tg.IsModClient()) tg.KillFlash();
                     var pos = pc.transform.position;
                     var dis = UnityEngine.Vector2.Distance(pos, tg.transform.position);
@@ -478,8 +482,8 @@ class ExternalRpcPetPatch
                 }
                 _ = new LateTask(() =>
                 {
-                    bool totalAlive = Main.AllAlivePlayerControls.Any();
-                    if (totalAlive && !GameStates.IsEnded)
+                    var totalAlive = Main.AllAlivePlayerControls.Count;
+                    if (totalAlive > 1 && !GameStates.IsEnded)
                     {
                         Main.PlayerStates[pc.PlayerId].deathReason = PlayerState.DeathReason.Bombed;
                         pc.RpcMurderPlayerV3(pc);
diff --git a/Patches/PlayerContorolPatch.cs b/Patches/PlayerContorolPatch.cs
index f89173368..a15f113dd 100644
--- a/Patches/PlayerContorolPatch.cs
+++ b/Patches/PlayerContorolPatch.cs
@@ -768,8 +768,9 @@ class CheckMurderPatch
         //  }
         if (Main.ForCrusade.Contains(target.PlayerId))
         {
-            foreach (var player in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
+                PlayerControl player = Main.AllPlayerControls[i];
                 if (player.Is(CustomRoles.Crusader) && player.IsAlive() && !killer.Is(CustomRoles.Pestilence) && !killer.Is(CustomRoles.Minimalism))
                 {
                     player.RpcMurderPlayerV3(killer);
@@ -861,8 +862,9 @@ class CheckMurderPatch
                 if (Main.TimeMasterInProtect.ContainsKey(target.PlayerId) && killer.PlayerId != target.PlayerId)
                     if (Main.TimeMasterInProtect[target.PlayerId] + Options.TimeMasterSkillDuration.GetInt() >= Utils.GetTimeStamp(DateTime.UtcNow))
                     {
-                        foreach (var player in Main.AllPlayerControls)
+                        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                         {
+                            PlayerControl player = Main.AllPlayerControls[i];
                             if (!killer.Is(CustomRoles.Pestilence))
                             {
                                 if (Main.TimeMasterBackTrack.ContainsKey(player.PlayerId))
@@ -1103,7 +1105,7 @@ class MurderPlayerPatch
                 Wildling.OnMurderPlayer(killer, target);
                 break;
             case CustomRoles.Underdog:
-                int playerCount = Main.AllAlivePlayerControls.Count();
+                int playerCount = Main.AllAlivePlayerControls.Count;
                 if (playerCount < Options.UnderdogMaximumPlayersNeededToKill.GetInt())
                     Main.AllPlayerKillCooldown[killer.PlayerId] = Options.UnderdogKillCooldown.GetFloat();
                 else Main.AllPlayerKillCooldown[killer.PlayerId] = Options.UnderdogKillCooldownWithMorePlayersAlive.GetFloat();
@@ -1254,8 +1256,9 @@ class ShapeshiftPatch
                             Vector2 cppos = cp.transform.position;//呪われた人の位置
                             Dictionary<PlayerControl, float> cpdistance = new();
                             float dis;
-                            foreach (PlayerControl p in Main.AllAlivePlayerControls)
+                            for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
                             {
+                                PlayerControl p = Main.AllAlivePlayerControls[i];
                                 if (p.PlayerId == cp.PlayerId) continue;
                                 if (!Options.WarlockCanKillSelf.GetBool() && p.PlayerId == shapeshifter.PlayerId) continue;
                                 if (!Options.WarlockCanKillAllies.GetBool() && p.GetCustomRole().IsImpostor()) continue;
@@ -1329,8 +1332,9 @@ class ShapeshiftPatch
                     {
                         Logger.Info("炸弹爆炸了", "Boom");
                         CustomSoundsManager.RPCPlayCustomSoundAll("Boom");
-                        foreach (var tg in Main.AllPlayerControls)
+                        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                         {
+                            PlayerControl tg = Main.AllPlayerControls[i];
                             if (!tg.IsModClient()) tg.KillFlash();
                             var pos = shapeshifter.transform.position;
                             var dis = Vector2.Distance(pos, tg.transform.position);
@@ -1346,7 +1350,7 @@ class ShapeshiftPatch
                         }
                         _ = new LateTask(() =>
                         {
-                            var totalAlive = Main.AllAlivePlayerControls.Count();
+                            var totalAlive = Main.AllAlivePlayerControls.Count;
                             if (Options.BomberDiesInExplosion.GetBool() && totalAlive > 1 && !GameStates.IsEnded)
                             {
                                 Main.PlayerStates[shapeshifter.PlayerId].deathReason = PlayerState.DeathReason.Bombed;
@@ -1366,8 +1370,9 @@ class ShapeshiftPatch
                     {
                         Logger.Info("炸弹爆炸了", "Boom");
                         CustomSoundsManager.RPCPlayCustomSoundAll("Boom");
-                        foreach (var tg in Main.AllPlayerControls)
+                        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                         {
+                            PlayerControl tg = Main.AllPlayerControls[i];
                             if (!tg.IsModClient()) tg.KillFlash();
                             var pos = shapeshifter.transform.position;
                             var dis = Vector2.Distance(pos, tg.transform.position);
@@ -1383,7 +1388,7 @@ class ShapeshiftPatch
                         }
                         _ = new LateTask(() =>
                         {
-                            var totalAlive = Main.AllAlivePlayerControls.Count();
+                            var totalAlive = Main.AllAlivePlayerControls.Count;
                             if (totalAlive > 1 && !GameStates.IsEnded)
                             {
                                 Main.PlayerStates[shapeshifter.PlayerId].deathReason = PlayerState.DeathReason.Bombed;
@@ -1808,8 +1813,9 @@ class ReportDeadBodyPatch
 
         if (Options.InhibitorCDAfterMeetings.GetFloat() != Options.InhibitorCD.GetFloat() || Options.SaboteurCD.GetFloat() != Options.SaboteurCDAfterMeetings.GetFloat())
         {
-            foreach (var x in Main.AllAlivePlayerControls)
+            for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
             {
+                PlayerControl x = Main.AllAlivePlayerControls[i];
                 if (x.Is(CustomRoles.Inhibitor))
                 {
                     Main.AllPlayerKillCooldown[x.PlayerId] = Options.InhibitorCDAfterMeetings.GetFloat();
@@ -2557,8 +2563,9 @@ class FixedUpdatePatch
                         Vector2 puppeteerPos = player.transform.position;//PuppeteerListのKeyの位置
                         Dictionary<byte, float> targetDistance = new();
                         float dis;
-                        foreach (var target in Main.AllAlivePlayerControls)
+                        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
                         {
+                            PlayerControl target = Main.AllAlivePlayerControls[i];
                             {
                                 if (target.PlayerId != player.PlayerId && !target.Is(CustomRoleTypes.Impostor) && !target.Is(CustomRoles.Pestilence))
                                 {
@@ -2603,8 +2610,9 @@ class FixedUpdatePatch
                         Vector2 puppeteerPos = player.transform.position;//PuppeteerListのKeyの位置
                         Dictionary<byte, float> targetDistance = new();
                         float dis;
-                        foreach (var target in Main.AllAlivePlayerControls)
+                        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
                         {
+                            PlayerControl target = Main.AllAlivePlayerControls[i];
                             if (target.PlayerId != player.PlayerId && !target.Is(CustomRoles.Pestilence))
                             {
                                 dis = Vector2.Distance(puppeteerPos, target.transform.position);
@@ -2646,8 +2654,9 @@ class FixedUpdatePatch
                 }
 
                 if (GameStates.IsInGame && Main.RefixCooldownDelay <= 0)
-                    foreach (var pc in Main.AllPlayerControls)
+                    for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                     {
+                        PlayerControl pc = Main.AllPlayerControls[i];
                         if (pc.Is(CustomRoles.Vampire) || pc.Is(CustomRoles.Warlock) || pc.Is(CustomRoles.Assassin) || pc.Is(CustomRoles.Undertaker) || pc.Is(CustomRoles.Poisoner))
                             Main.AllPlayerKillCooldown[pc.PlayerId] = Options.DefaultKillCooldown * 2;
                     }
@@ -3280,8 +3289,9 @@ class EnterVentPatch
                         //if (!pc.IsModClient()) pc.RpcGuardAndKill(pc);
                         pc.Notify(GetString("TimeMasterOnGuard"), Options.TimeMasterSkillDuration.GetFloat());
                         Main.TimeMasterCD.TryAdd(pc.PlayerId, Utils.GetTimeStamp());
-                        foreach (var player in Main.AllPlayerControls)
+                        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
                         {
+                            PlayerControl player = Main.AllPlayerControls[i];
                             if (Main.TimeMasterBackTrack.ContainsKey(player.PlayerId))
                             {
                                 var position = Main.TimeMasterBackTrack[player.PlayerId];
@@ -3312,7 +3322,7 @@ class CoEnterVentPatch
     {
         if (!AmongUsClient.Instance.AmHost) return true;
 
-        if (Options.CurrentGameMode == CustomGameMode.FFA && FFAManager.FFA_DisableVentingWhenTwoPlayersAlive.GetBool() && Main.AllAlivePlayerControls.Count() <= 2)
+        if (Options.CurrentGameMode == CustomGameMode.FFA && FFAManager.FFA_DisableVentingWhenTwoPlayersAlive.GetBool() && Main.AllAlivePlayerControls.Count <= 2)
         {
             var pc = __instance.myPlayer;
             if (pc.killTimer <= 0)
@@ -3369,8 +3379,9 @@ class CoEnterVentPatch
             if (__instance.myPlayer.IsDouseDone())
             {
                 CustomSoundsManager.RPCPlayCustomSoundAll("Boom");
-                foreach (var pc in Main.AllAlivePlayerControls)
+                for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
                 {
+                    PlayerControl pc = Main.AllAlivePlayerControls[i];
                     if (pc != __instance.myPlayer)
                     {
                         //生存者は焼殺
@@ -3380,7 +3391,12 @@ class CoEnterVentPatch
                         Main.PlayerStates[pc.PlayerId].SetDead();
                     }
                 }
-                foreach (var pc in Main.AllPlayerControls) pc.KillFlash();
+                for (int i1 = 0; i1 < Main.AllPlayerControls.Count; i1++)
+                {
+                    PlayerControl pc = Main.AllPlayerControls[i1];
+                    pc.KillFlash();
+                }
+
                 CustomWinnerHolder.ShiftWinnerAndSetWinner(CustomWinner.Arsonist); //焼殺で勝利した人も勝利させる
                 CustomWinnerHolder.WinnerIds.Add(__instance.myPlayer.PlayerId);
                 return true;
@@ -3391,8 +3407,9 @@ class CoEnterVentPatch
                 if (douseCount >= Options.ArsonistMinPlayersToIgnite.GetInt()) // Don't check for max, since the player would not be able to ignite at all if they somehow get more players doused than the max
                 {
                     if (douseCount > Options.ArsonistMaxPlayersToIgnite.GetInt()) Logger.Warn("Arsonist Ignited with more players doused than the maximum amount in the settings", "Arsonist Ignite");
-                    foreach (var pc in Main.AllAlivePlayerControls)
+                    for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
                     {
+                        PlayerControl pc = Main.AllAlivePlayerControls[i];
                         if (!__instance.myPlayer.IsDousedPlayer(pc)) continue;
                         pc.KillFlash();
                         pc.SetRealKiller(__instance.myPlayer);
@@ -3400,7 +3417,7 @@ class CoEnterVentPatch
                         pc.RpcMurderPlayerV3(pc);
                         Main.PlayerStates[pc.PlayerId].SetDead();
                     }
-                    var apc = Main.AllAlivePlayerControls.Count();
+                    var apc = Main.AllAlivePlayerControls.Count;
                     if (apc == 1)
                     {
                         CustomWinnerHolder.ShiftWinnerAndSetWinner(CustomWinner.Arsonist);
@@ -3591,8 +3608,9 @@ class PlayerControlSetRolePatch
         {
             var targetIsKiller = target.Is(CustomRoleTypes.Impostor) || Main.ResetCamPlayerList.Contains(target.PlayerId);
             var ghostRoles = new Dictionary<PlayerControl, RoleTypes>();
-            foreach (var seer in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
+                PlayerControl seer = Main.AllPlayerControls[i];
                 var self = seer.PlayerId == target.PlayerId;
                 var seerIsKiller = seer.Is(CustomRoleTypes.Impostor) || Main.ResetCamPlayerList.Contains(seer.PlayerId);
                 if (target.Is(CustomRoles.EvilSpirit))
diff --git a/Patches/onGameStartedPatch.cs b/Patches/onGameStartedPatch.cs
index 6d5f61f82..a204001ad 100644
--- a/Patches/onGameStartedPatch.cs
+++ b/Patches/onGameStartedPatch.cs
@@ -154,16 +154,19 @@ internal class ChangeRoleSettings
                 Logger.Error(msg, "CoStartGame");
             }
 
-            foreach (var target in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
-                foreach (var seer in Main.AllPlayerControls)
+                PlayerControl target = Main.AllPlayerControls[i];
+                for (int i1 = 0; i1 < Main.AllPlayerControls.Count; i1++)
                 {
+                    PlayerControl seer = Main.AllPlayerControls[i1];
                     var pair = (target.PlayerId, seer.PlayerId);
                     Main.LastNotifyNames[pair] = target.name;
                 }
             }
-            foreach (var pc in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
+                PlayerControl pc = Main.AllPlayerControls[i];
                 var colorId = pc.Data.DefaultOutfit.ColorId;
                 if (AmongUsClient.Instance.AmHost && Options.FormatNameMode.GetInt() == 1) pc.RpcSetName(Palette.GetColorName(colorId));
                 Main.PlayerStates[pc.PlayerId] = new(pc.PlayerId);
@@ -356,8 +359,9 @@ internal class SelectRolesPatch
         {
             //CustomRpcSenderとRpcSetRoleReplacerの初期化
             Dictionary<byte, CustomRpcSender> senders = new();
-            foreach (var pc in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
+                PlayerControl pc = Main.AllPlayerControls[i];
                 senders[pc.PlayerId] = new CustomRpcSender($"{pc.name}'s SetRole Sender", SendOption.Reliable, false)
                         .StartMessage(pc.GetClientId());
             }
@@ -433,8 +437,9 @@ internal class SelectRolesPatch
 
             //Utils.ApplySuffix();
 
-            foreach (var pc in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
+                PlayerControl pc = Main.AllPlayerControls[i];
                 pc.Data.IsDead = false; //プレイヤーの死を解除する
                 if (Main.PlayerStates[pc.PlayerId].MainRole != CustomRoles.NotAssigned) continue; //既にカスタム役職が割り当てられていればスキップ
                 var role = CustomRoles.NotAssigned;
@@ -494,12 +499,16 @@ internal class SelectRolesPatch
             {
                 ExtendedPlayerControl.RpcSetCustomRole(pair.Key, pair.Value.MainRole);
 
-                foreach (var subRole in pair.Value.SubRoles)
+                for (int i = 0; i < pair.Value.SubRoles.Count; i++)
+                {
+                    CustomRoles subRole = pair.Value.SubRoles[i];
                     ExtendedPlayerControl.RpcSetCustomRole(pair.Key, subRole);
+                }
             }
 
-            foreach (var pc in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
+                PlayerControl pc = Main.AllPlayerControls[i];
                 if (pc.Data.Role.Role == RoleTypes.Shapeshifter) Main.CheckShapeshift.Add(pc.PlayerId, false);
                 switch (pc.GetCustomRole())
                 {
@@ -554,16 +563,25 @@ internal class SelectRolesPatch
                         SwordsMan.Add(pc.PlayerId);
                         break;
                     case CustomRoles.Arsonist:
-                        foreach (var ar in Main.AllPlayerControls)
+                        for (int i1 = 0; i1 < Main.AllPlayerControls.Count; i1++)
+                        {
+                            PlayerControl ar = Main.AllPlayerControls[i1];
                             Main.isDoused.Add((pc.PlayerId, ar.PlayerId), false);
+                        }
+
                         break;
                     case CustomRoles.Revolutionist:
-                        foreach (var ar in Main.AllPlayerControls)
+                        for (int i1 = 0; i1 < Main.AllPlayerControls.Count; i1++)
+                        {
+                            PlayerControl ar = Main.AllPlayerControls[i1];
                             Main.isDraw.Add((pc.PlayerId, ar.PlayerId), false);
+                        }
+
                         break;
                     case CustomRoles.Farseer:
-                        foreach (var ar in Main.AllPlayerControls)
+                        for (int i1 = 0; i1 < Main.AllPlayerControls.Count; i1++)
                         {
+                            PlayerControl ar = Main.AllPlayerControls[i1];
                             Main.isRevealed.Add((pc.PlayerId, ar.PlayerId), false);
                         }
                         Farseer.RandomRole.Add(pc.PlayerId, Farseer.GetRandomCrewRoleString());
@@ -971,8 +989,11 @@ internal class SelectRolesPatch
             HudManager.Instance.SetHudActive(true);
             List<PlayerControl> AllPlayers = new();
             CustomRpcSender sender = CustomRpcSender.Create("SelectRoles Sender", SendOption.Reliable);
-            foreach (var pc in Main.AllPlayerControls)
+            for (int i2 = 0; i2 < Main.AllPlayerControls.Count; i2++)
+            {
+                PlayerControl pc = Main.AllPlayerControls[i2];
                 pc.ResetKillCooldown();
+            }
 
             //役職の人数を戻す
             var roleOpt = Main.NormalOptions.roleOptions;
@@ -1000,8 +1021,9 @@ internal class SelectRolesPatch
             }
 
             GameOptionsSender.AllSenders.Clear();
-            foreach (var pc in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
+                PlayerControl pc = Main.AllPlayerControls[i];
                 GameOptionsSender.AllSenders.Add(
                     new PlayerGameOptionsSender(pc)
                 );
@@ -1031,8 +1053,11 @@ internal class SelectRolesPatch
         var othersRole = player.PlayerId == hostId ? RoleTypes.Crewmate : RoleTypes.Scientist;
 
         //Desync役職視点
-        foreach (var target in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
+        {
+            PlayerControl target = Main.AllPlayerControls[i];
             rolesMap[(player.PlayerId, target.PlayerId)] = player.PlayerId != target.PlayerId ? othersRole : selfRole;
+        }
 
         //他者視点
         foreach (var seer in Main.AllPlayerControls.Where(x => player.PlayerId != x.PlayerId))
@@ -1047,11 +1072,13 @@ internal class SelectRolesPatch
     }
     public static void MakeDesyncSender(Dictionary<byte, CustomRpcSender> senders, Dictionary<(byte, byte), RoleTypes> rolesMap)
     {
-        foreach (var seer in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
         {
+            PlayerControl seer = Main.AllPlayerControls[i];
             var sender = senders[seer.PlayerId];
-            foreach (var target in Main.AllPlayerControls)
+            for (int i1 = 0; i1 < Main.AllPlayerControls.Count; i1++)
             {
+                PlayerControl target = Main.AllPlayerControls[i1];
                 if (rolesMap.TryGetValue((seer.PlayerId, target.PlayerId), out var role))
                 {
                     sender.RpcSetRole(seer, role, target.GetClientId());
@@ -1127,8 +1154,9 @@ internal class SelectRolesPatch
     private static void AssignLoversRoles(int RawCount = -1)
     {
         var allPlayers = new List<PlayerControl>();
-        foreach (var pc in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllPlayerControls[i];
             if (pc.Is(CustomRoles.GM)
                 || (pc.HasSubRole() && pc.GetCustomSubRoles().Count >= Options.NoLimitAddonsNumMax.GetInt())
                 //|| pc.Is(CustomRoles.Ntr)
diff --git a/Roles/AddOns/Impostor/LastImpostor.cs b/Roles/AddOns/Impostor/LastImpostor.cs
index b8bb651a0..79592e11d 100644
--- a/Roles/AddOns/Impostor/LastImpostor.cs
+++ b/Roles/AddOns/Impostor/LastImpostor.cs
@@ -29,8 +29,9 @@ public static class LastImpostor
         if (Options.CurrentGameMode == CustomGameMode.SoloKombat || Options.CurrentGameMode == CustomGameMode.FFA
         || !CustomRoles.LastImpostor.IsEnable() || Main.AliveImpostorCount != 1)
             return;
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             if (CanBeLastImpostor(pc))
             {
                 pc.RpcSetCustomRole(CustomRoles.LastImpostor);
diff --git a/Roles/Crewmate/Marshall.cs b/Roles/Crewmate/Marshall.cs
index 0a5d890e9..6ecd6a06c 100644
--- a/Roles/Crewmate/Marshall.cs
+++ b/Roles/Crewmate/Marshall.cs
@@ -70,12 +70,12 @@ public static class Marshall
 
         if (!IsExposed[marshallId])
         {
-            foreach (var target in Main.AllAlivePlayerControls)
-            {
-                //     if (!IsMarshallTarget(target)) continue;
+            //foreach (var target in Main.AllAlivePlayerControls)
+            //{
+            //    //     if (!IsMarshallTarget(target)) continue;
 
-                //     TargetArrow.Add(target.PlayerId, snitchId);
-            }
+            //    //     TargetArrow.Add(target.PlayerId, snitchId);
+            //}
             IsExposed[marshallId] = true;
         }
 
diff --git a/Roles/Crewmate/Monitor.cs b/Roles/Crewmate/Monitor.cs
index 7b1a70e01..78cabb194 100644
--- a/Roles/Crewmate/Monitor.cs
+++ b/Roles/Crewmate/Monitor.cs
@@ -48,8 +48,9 @@ internal class Monitor
         Count--; if (Count > 0) return; Count = 5;
 
         bool Admin = false, Camera = false, DoorLog = false, Vital = false;
-        foreach (PlayerControl pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             if (Pelican.IsEaten(pc.PlayerId) || pc.inVent) continue;
             try
             {
@@ -119,8 +120,11 @@ internal class Monitor
                 byte pc = playerIdList[i];
                 Utils.NotifyRoles(SpecifySeer: Utils.GetPlayerById(pc));
             }
-            foreach (PlayerControl pc in Main.AllPlayerControls)
+            for (int i1 = 0; i1 < Main.AllPlayerControls.Count; i1++)
+            {
+                PlayerControl pc = Main.AllPlayerControls[i1];
                 FixedUpdatePatch.Postfix(pc);
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/Roles/Crewmate/Mortician.cs b/Roles/Crewmate/Mortician.cs
index 00fa9464a..4cd41fedf 100644
--- a/Roles/Crewmate/Mortician.cs
+++ b/Roles/Crewmate/Mortician.cs
@@ -59,8 +59,9 @@ public static class Mortician
         var pos = target.GetTruePosition();
         float minDis = float.MaxValue;
         string minName = string.Empty;
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             if (pc.PlayerId == target.PlayerId) continue;
             var dis = Vector2.Distance(pc.GetTruePosition(), pos);
             if (dis < minDis && dis < 1.5f)
diff --git a/Roles/Crewmate/Snitch.cs b/Roles/Crewmate/Snitch.cs
index 44d3c629b..c8528965a 100644
--- a/Roles/Crewmate/Snitch.cs
+++ b/Roles/Crewmate/Snitch.cs
@@ -86,8 +86,9 @@ public static class Snitch
 
         if (!IsExposed[snitchId] && snitchTask.RemainingTasksCount <= RemainingTasksToBeFound)
         {
-            foreach (var target in Main.AllAlivePlayerControls)
+            for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
             {
+                PlayerControl target = Main.AllAlivePlayerControls[i];
                 if (!IsSnitchTarget(target)) continue;
 
                 TargetArrow.Add(target.PlayerId, snitchId);
@@ -97,8 +98,9 @@ public static class Snitch
 
         if (IsComplete[snitchId] || !snitchTask.IsTaskFinished) return;
 
-        foreach (var target in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl target = Main.AllAlivePlayerControls[i];
             if (!IsSnitchTarget(target)) continue;
 
             var targetId = target.PlayerId;
diff --git a/Roles/Crewmate/Tracefinder.cs b/Roles/Crewmate/Tracefinder.cs
index b58707791..363e470c7 100644
--- a/Roles/Crewmate/Tracefinder.cs
+++ b/Roles/Crewmate/Tracefinder.cs
@@ -83,8 +83,9 @@ public static class Tracefinder
         var pos = target.GetTruePosition();
         float minDis = float.MaxValue;
         string minName = string.Empty;
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             if (pc.PlayerId == target.PlayerId) continue;
             var dis = Vector2.Distance(pc.GetTruePosition(), pos);
             if (dis < minDis && dis < 1.5f)
diff --git a/Roles/Impostor/AntiAdminer.cs b/Roles/Impostor/AntiAdminer.cs
index e7383d6f0..17c2c8b2a 100644
--- a/Roles/Impostor/AntiAdminer.cs
+++ b/Roles/Impostor/AntiAdminer.cs
@@ -46,8 +46,9 @@ internal class AntiAdminer
         Count--; if (Count > 0) return; Count = 5;
 
         bool Admin = false, Camera = false, DoorLog = false, Vital = false;
-        foreach (PlayerControl pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             if (Pelican.IsEaten(pc.PlayerId) || pc.inVent || pc.GetCustomRole().IsImpostor()) continue;
             try
             {
@@ -117,8 +118,11 @@ internal class AntiAdminer
                 byte pc = playerIdList[i];
                 Utils.NotifyRoles(SpecifySeer: Utils.GetPlayerById(pc));
             }
-            foreach (PlayerControl pc in Main.AllPlayerControls)
+            for (int i1 = 0; i1 < Main.AllPlayerControls.Count; i1++)
+            {
+                PlayerControl pc = Main.AllPlayerControls[i1];
                 FixedUpdatePatch.Postfix(pc);
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/Roles/Impostor/EvilTracker.cs b/Roles/Impostor/EvilTracker.cs
index 6775c40b4..3c565c111 100644
--- a/Roles/Impostor/EvilTracker.cs
+++ b/Roles/Impostor/EvilTracker.cs
@@ -70,8 +70,9 @@ public static class EvilTracker
         CanSetTarget.Add(playerId, CurrentTargetMode != TargetMode.Never);
         //ImpostorsIdはEvilTracker内で共有
         ImpostorsId[playerId] = new();
-        foreach (var target in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl target = Main.AllAlivePlayerControls[i];
             var targetId = target.PlayerId;
             if (targetId != playerId && target.Is(CustomRoleTypes.Impostor))
             {
diff --git a/Roles/Impostor/FireWorks.cs b/Roles/Impostor/FireWorks.cs
index b48478bb6..6e826bbaa 100644
--- a/Roles/Impostor/FireWorks.cs
+++ b/Roles/Impostor/FireWorks.cs
@@ -113,8 +113,9 @@ public static class FireWorks
             case FireWorksState.ReadyFire:
                 Logger.Info("花火を爆破", "FireWorks");
                 bool suicide = false;
-                foreach (var target in Main.AllAlivePlayerControls)
+                for (int i1 = 0; i1 < Main.AllAlivePlayerControls.Count; i1++)
                 {
+                    PlayerControl target = Main.AllAlivePlayerControls[i1];
                     for (int i = 0; i < fireWorksPosition[pc.PlayerId].Count; i++)
                     {
                         Vector3 pos = fireWorksPosition[pc.PlayerId][i];
@@ -137,7 +138,7 @@ public static class FireWorks
                 }
                 if (suicide)
                 {
-                    var totalAlive = Main.AllAlivePlayerControls.Count();
+                    var totalAlive = Main.AllAlivePlayerControls.Count;
                     //自分が最後の生き残りの場合は勝利のために死なない
                     if (totalAlive != 1)
                     {
diff --git a/Roles/Impostor/Sniper.cs b/Roles/Impostor/Sniper.cs
index be4d6159e..2a42f2966 100644
--- a/Roles/Impostor/Sniper.cs
+++ b/Roles/Impostor/Sniper.cs
@@ -139,8 +139,9 @@ public static class Sniper
         //至近距離で外す対策に一歩後ろから判定を開始する
         snipePos -= dir;
 
-        foreach (var target in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl target = Main.AllAlivePlayerControls[i];
             //自分には当たらない
             if (target.PlayerId == sniper.PlayerId) continue;
             //死んでいない対象の方角ベクトル作成
diff --git a/Roles/Impostor/Twister.cs b/Roles/Impostor/Twister.cs
index 81ec67c07..9a39021fd 100644
--- a/Roles/Impostor/Twister.cs
+++ b/Roles/Impostor/Twister.cs
@@ -54,8 +54,9 @@ namespace TOHE.Roles.Impostor
             TwistLimit[shapeshifter.PlayerId] -= 1;
 
             var rd = IRandom.Instance;
-            foreach (var pc in Main.AllAlivePlayerControls)
+            for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
             {
+                PlayerControl pc = Main.AllAlivePlayerControls[i];
                 if (changePositionPlayers.Contains(pc.PlayerId) || Pelican.IsEaten(pc.PlayerId) || !pc.IsAlive() || pc.onLadder || pc.inVent || GameStates.IsMeeting)
                 {
                     continue;
diff --git a/Roles/Impostor/Witch.cs b/Roles/Impostor/Witch.cs
index 1e0ba9ee8..de2d36ebf 100644
--- a/Roles/Impostor/Witch.cs
+++ b/Roles/Impostor/Witch.cs
@@ -190,8 +190,9 @@ public static class Witch
                 SpelledPlayer[id].Clear();
         }
         var spelledIdList = new List<byte>();
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             var dic = SpelledPlayer.Where(x => x.Value.Contains(pc.PlayerId));
             if (!dic.Any()) continue;
             var whichId = dic.FirstOrDefault().Key;
diff --git a/Roles/Neutral/DarkHide.cs b/Roles/Neutral/DarkHide.cs
index 82e404794..9d8426ff2 100644
--- a/Roles/Neutral/DarkHide.cs
+++ b/Roles/Neutral/DarkHide.cs
@@ -93,8 +93,9 @@ public static class DarkHide
         MessageExtensions.WriteNetObject(SabotageFixWriter, killer);
         AmongUsClient.Instance.FinishRpcImmediately(SabotageFixWriter);
 
-        foreach (var target in Main.AllPlayerControls)
+        for (int i = 0; i < Main.AllPlayerControls.Count; i++)
         {
+            PlayerControl target = Main.AllPlayerControls[i];
             if (target.PlayerId == killer.PlayerId || target.Data.Disconnected) continue;
             SabotageFixWriter = AmongUsClient.Instance.StartRpcImmediately(ShipStatus.Instance.NetId, (byte)RpcCalls.RepairSystem, SendOption.Reliable, target.GetClientId());
             SabotageFixWriter.Write((byte)SystemTypes.Electrical);
diff --git a/Roles/Neutral/Executioner.cs b/Roles/Neutral/Executioner.cs
index ccfa3817c..60ff25950 100644
--- a/Roles/Neutral/Executioner.cs
+++ b/Roles/Neutral/Executioner.cs
@@ -68,8 +68,9 @@ public static class Executioner
         {
             List<PlayerControl> targetList = new();
             var rand = IRandom.Instance;
-            foreach (var target in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
+                PlayerControl target = Main.AllPlayerControls[i];
                 if (playerId == target.PlayerId) continue;
                 else if (!CanTargetImpostor.GetBool() && target.Is(CustomRoleTypes.Impostor)) continue;
                 else if (!CanTargetNeutralKiller.GetBool() && target.IsNeutralKiller()) continue;
diff --git a/Roles/Neutral/Gamer.cs b/Roles/Neutral/Gamer.cs
index 9e32f3e01..950e42f32 100644
--- a/Roles/Neutral/Gamer.cs
+++ b/Roles/Neutral/Gamer.cs
@@ -49,8 +49,11 @@ public static class Gamer
     {
         playerIdList.Add(playerId);
         GamerHealth.TryAdd(playerId, SelfHealthMax.GetInt());
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
+        {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             PlayerHealth.TryAdd(pc.PlayerId, HealthMax.GetInt());
+        }
 
         if (!AmongUsClient.Instance.AmHost) return;
         if (!Main.ResetCamPlayerList.Contains(playerId))
diff --git a/Roles/Neutral/HexMaster.cs b/Roles/Neutral/HexMaster.cs
index cb0ffb0a5..e367bfe3d 100644
--- a/Roles/Neutral/HexMaster.cs
+++ b/Roles/Neutral/HexMaster.cs
@@ -199,8 +199,9 @@ public static class HexMaster
                 HexedPlayer[id].Clear();
         }
         var hexedIdList = new List<byte>();
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             var dic = HexedPlayer.Where(x => x.Value.Contains(pc.PlayerId));
             if (!dic.Any()) continue;
             var whichId = dic.FirstOrDefault().Key;
diff --git a/Roles/Neutral/Lawyer.cs b/Roles/Neutral/Lawyer.cs
index 680bffc86..3d0c3a102 100644
--- a/Roles/Neutral/Lawyer.cs
+++ b/Roles/Neutral/Lawyer.cs
@@ -71,8 +71,9 @@ public static class Lawyer
         {
             List<PlayerControl> targetList = new();
             var rand = IRandom.Instance;
-            foreach (var target in Main.AllPlayerControls)
+            for (int i = 0; i < Main.AllPlayerControls.Count; i++)
             {
+                PlayerControl target = Main.AllPlayerControls[i];
                 if (playerId == target.PlayerId) continue;
                 else if (!CanTargetImpostor.GetBool() && target.Is(CustomRoleTypes.Impostor)) continue;
                 else if (!CanTargetNeutralKiller.GetBool() && target.IsNeutralKiller()) continue;
diff --git a/Roles/Neutral/Magician.cs b/Roles/Neutral/Magician.cs
index 983af7a17..63491fcf0 100644
--- a/Roles/Neutral/Magician.cs
+++ b/Roles/Neutral/Magician.cs
@@ -377,8 +377,9 @@ public static class Magician
 
         snipePos -= dir;
 
-        foreach (var target in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl target = Main.AllAlivePlayerControls[i];
             if (target.PlayerId == sniper.PlayerId) continue;
             var target_pos = target.transform.position - snipePos;
             if (target_pos.magnitude < 1) continue;
diff --git a/Roles/Neutral/PlagueBearer.cs b/Roles/Neutral/PlagueBearer.cs
index 4d0a113c9..d25b1b37b 100644
--- a/Roles/Neutral/PlagueBearer.cs
+++ b/Roles/Neutral/PlagueBearer.cs
@@ -76,11 +76,11 @@ public static class PlagueBearer
     }
     public static (int, int) PlaguedPlayerCount(byte playerId)
     {
-        int plagued = 0, all = 0; //学校で習った書き方
-                                  //多分この方がMain.isDousedでforeachするより他のアーソニストの分ループ数少なくて済む
-        foreach (var pc in Main.AllAlivePlayerControls)
+        int plagued = 0, all = 0;
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
-            if (pc.PlayerId == playerId) continue; //塗れない人は除外 (死んでたり切断済みだったり あとアーソニスト自身も)
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
+            if (pc.PlayerId == playerId) continue;
 
             all++;
             if (isPlagued(playerId, pc.PlayerId))
diff --git a/Roles/Neutral/Postman.cs b/Roles/Neutral/Postman.cs
index 783340501..9e6adf5de 100644
--- a/Roles/Neutral/Postman.cs
+++ b/Roles/Neutral/Postman.cs
@@ -53,8 +53,9 @@ public static class Postman
     {
         byte tempTarget = byte.MaxValue;
 
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             if (wereTargets.Contains(pc.PlayerId)) continue;
             tempTarget = pc.PlayerId;
             break;
diff --git a/Roles/Neutral/Virus.cs b/Roles/Neutral/Virus.cs
index 3f8e6b7ea..f5caee96d 100644
--- a/Roles/Neutral/Virus.cs
+++ b/Roles/Neutral/Virus.cs
@@ -130,8 +130,9 @@ namespace TOHE.Roles.Neutral
             }
 
             var infectedIdList = new List<byte>();
-            foreach (var pc in Main.AllAlivePlayerControls)
+            for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
             {
+                PlayerControl pc = Main.AllAlivePlayerControls[i];
                 bool isInfected = InfectedPlayer.Contains(pc.PlayerId);
                 if (!isInfected) continue;
 
diff --git a/Roles/Neutral/Vulture.cs b/Roles/Neutral/Vulture.cs
index 6685f9fa7..8773af52f 100644
--- a/Roles/Neutral/Vulture.cs
+++ b/Roles/Neutral/Vulture.cs
@@ -128,8 +128,9 @@ public static class Vulture
 
         var pos = target.GetTruePosition();
         float minDis = float.MaxValue;
-        foreach (var pc in Main.AllAlivePlayerControls)
+        for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
         {
+            PlayerControl pc = Main.AllAlivePlayerControls[i];
             if (pc.PlayerId == target.PlayerId) continue;
             var dis = Vector2.Distance(pc.GetTruePosition(), pos);
             if (dis < minDis && dis < 1.5f)
diff --git a/Roles/Neutral/WeaponMaster.cs b/Roles/Neutral/WeaponMaster.cs
index 2411a453e..eacb43c84 100644
--- a/Roles/Neutral/WeaponMaster.cs
+++ b/Roles/Neutral/WeaponMaster.cs
@@ -100,8 +100,9 @@ public static class WeaponMaster
             case 1:
                 _ = new LateTask(() =>
                 {
-                    foreach (var player in Main.AllAlivePlayerControls)
+                    for (int i = 0; i < Main.AllAlivePlayerControls.Count; i++)
                     {
+                        PlayerControl player = Main.AllAlivePlayerControls[i];
                         if (Pelican.IsEaten(player.PlayerId)) continue;
                         if (player == killer) continue;
                         if (player.Is(CustomRoles.Pestilence) || Main.VeteranInProtect.ContainsKey(target.PlayerId)) continue;
diff --git a/main.cs b/main.cs
index 7abc9b556..eac636088 100644
--- a/main.cs
+++ b/main.cs
@@ -234,8 +234,8 @@ public class Main : BasePlugin
     public static byte GodfatherTarget = byte.MaxValue;
 
 
-    public static IEnumerable<PlayerControl> AllPlayerControls => PlayerControl.AllPlayerControls.ToArray().Where(p => p != null);
-    public static IEnumerable<PlayerControl> AllAlivePlayerControls => PlayerControl.AllPlayerControls.ToArray().Where(p => p != null && p.IsAlive() && !p.Data.Disconnected && !Pelican.IsEaten(p.PlayerId));
+    public static List<PlayerControl> AllPlayerControls => PlayerControl.AllPlayerControls.ToArray().Where(p => p != null).ToList();
+    public static List<PlayerControl> AllAlivePlayerControls => PlayerControl.AllPlayerControls.ToArray().Where(p => p != null && p.IsAlive() && !p.Data.Disconnected && !Pelican.IsEaten(p.PlayerId)).ToList();
 
     public static Main Instance;