diff --git a/MCGalaxy/Commands/Fun/CmdMissile.cs b/MCGalaxy/Commands/Fun/CmdMissile.cs
index e0925677f..51573893a 100644
--- a/MCGalaxy/Commands/Fun/CmdMissile.cs
+++ b/MCGalaxy/Commands/Fun/CmdMissile.cs
@@ -15,11 +15,11 @@
     or implied. See the Licenses for the specific language governing
     permissions and limitations under the Licenses.
  */
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using MCGalaxy.Drawing.Ops;
-using MCGalaxy.Maths;
+using System;
+using System.Collections.Generic;
+using MCGalaxy.Drawing.Ops;
+using MCGalaxy.Maths;
+using MCGalaxy.Tasks;
 
 namespace MCGalaxy.Commands.Fun {
     public sealed class CmdMissile : WeaponCmd {
@@ -42,9 +42,9 @@ namespace MCGalaxy.Commands.Fun {
             args.ending = bp.ending;
             args.pos = MakePos(p);
 
-            Thread gunThread = new Thread(() => DoShoot(args));
-            gunThread.Name = "MCG_Missile";
-            gunThread.Start();
+            SchedulerTask task = new SchedulerTask(MissileCallback, args,
+                                                   TimeSpan.FromMilliseconds(100), true);
+            p.CriticalTasks.Add(task);
         }
         
         class MissileArgs {
@@ -52,6 +52,7 @@ namespace MCGalaxy.Commands.Fun {
             public ExtBlock block;
             public EndType ending;
             public Vec3U16 pos;
+            public bool Moving = true;
             
             public List<Vec3U16> previous = new List<Vec3U16>();
             public List<Vec3U16> allBlocks = new List<Vec3U16>();
@@ -59,30 +60,39 @@ namespace MCGalaxy.Commands.Fun {
             public int iterations;
         }
 
-        void DoShoot(MissileArgs args) {
+        static void MissileCallback(SchedulerTask task) {
+            MissileArgs args = (MissileArgs)task.State;
             Player p = args.player;
+            if (args.Moving) { PerformMove(args); return; }            
             
+            if (args.ending == EndType.Teleport) {
+                args.ending = EndType.Normal;
+                int index = args.previous.Count - 3;
+                if (index >= 0 && index < args.previous.Count)
+                    DoTeleport(p, args.previous[index]);
+            }
+            
+            if (args.previous.Count > 0) {
+                Vec3U16 pos = args.previous[0];
+                args.previous.RemoveAt(0);
+                p.level.Blockchange(pos.X, pos.Y, pos.Z, ExtBlock.Air, true);
+            }
+            task.Repeating = args.previous.Count > 0;
+        }
+        
+        static void PerformMove(MissileArgs args) {
             while (true) {
                 args.iterations++;
                 Vec3U16 target = MissileTarget(args);
                 FindNext(target, ref args.pos, args.buffer);
 
                 if (args.iterations <= 3) continue;
-                if (!MoveMissile(args, args.pos, target)) break;
-                Thread.Sleep(100);
-            }
-
-            if (args.ending == EndType.Teleport) {
-                int index = args.previous.Count - 3;
-                if (index >= 0 && index < args.previous.Count)
-                    DoTeleport(p, args.previous[index]);
-            }
-            foreach (Vec3U16 pos1 in args.previous) {
-                p.level.Blockchange(pos1.X, pos1.Y, pos1.Z, ExtBlock.Air, true);
-                Thread.Sleep(100);
+                args.Moving = MoveMissile(args, args.pos, target);
+                return;
             }
         }
         
+        
         static Vec3U16 MissileTarget(MissileArgs args) {
             Player p = args.player;
             Vec3U16 start = MakePos(p);
@@ -147,7 +157,7 @@ namespace MCGalaxy.Commands.Fun {
             return (Vec3U16)p.Pos.BlockCoords;
         }
         
-        void FindNext(Vec3U16 lookedAt, ref Vec3U16 pos, List<Vec3S32> buffer) {
+        static void FindNext(Vec3U16 lookedAt, ref Vec3U16 pos, List<Vec3S32> buffer) {
             LineDrawOp.DrawLine(pos.X, pos.Y, pos.Z, 2, lookedAt.X, lookedAt.Y, lookedAt.Z, buffer);
             Vec3U16 end = (Vec3U16)buffer[buffer.Count - 1];
             pos.X = end.X; pos.Y = end.Y; pos.Z = end.Z;
diff --git a/MCGalaxy/Player/List/PlayerList.cs b/MCGalaxy/Player/List/PlayerList.cs
index 7b53a3ede..33f973658 100644
--- a/MCGalaxy/Player/List/PlayerList.cs
+++ b/MCGalaxy/Player/List/PlayerList.cs
@@ -125,8 +125,5 @@ namespace MCGalaxy {
             }
             return list;
         }
-        
-        [Obsolete("Group parameter is completely ignored.")]
-        public static PlayerList Load(string path, Group grp) { return Load(path); }
     }
 }
\ No newline at end of file
diff --git a/MCGalaxy/Server/Server.cs b/MCGalaxy/Server/Server.cs
index 1533933ad..7e07cf962 100644
--- a/MCGalaxy/Server/Server.cs
+++ b/MCGalaxy/Server/Server.cs
@@ -248,11 +248,6 @@ namespace MCGalaxy {
             }
         }
 
-        [Obsolete("Use LevelInfo.Loaded.Add()")]
-        public static void addLevel(Level level) {
-            LevelInfo.Loaded.Add(level);
-        }
-
         public void PlayerListUpdate() {
             if (Server.s.OnPlayerListChange != null) Server.s.OnPlayerListChange(Player.players);
         }
@@ -335,10 +330,6 @@ namespace MCGalaxy {
         internal void SettingsUpdate() {
             if (OnSettingsUpdate != null) OnSettingsUpdate();
         }
-
-        public static string FindColor(string name) {
-            return Group.findPlayerGroup(name).color;
-        }
         
         /// <summary> Sets the main level of the server that new players spawn in. </summary>
         /// <returns> true if main level was changed, false if not
@@ -367,7 +358,9 @@ namespace MCGalaxy {
             long end = GC.GetTotalMemory(false);
             double deltaKB = (start - end) / 1024.0;
             if (deltaKB >= 100.0) {
-                Server.s.Log("GC performed (freed " + deltaKB.ToString("F2") + " KB)", true);
+                string track = (end / 1024.0).ToString("F2");
+                string delta = deltaKB.ToString("F2");
+                Server.s.Log("GC performed (tracking " + track + " KB, freed " + delta + " KB)", true);
             }
         }
     }
diff --git a/MCGalaxy/Server/Tasks/ServerTasks.cs b/MCGalaxy/Server/Tasks/ServerTasks.cs
index 76f7b259e..f5688812c 100644
--- a/MCGalaxy/Server/Tasks/ServerTasks.cs
+++ b/MCGalaxy/Server/Tasks/ServerTasks.cs
@@ -73,9 +73,13 @@ namespace MCGalaxy.Tasks {
             }
             
             SchedulerTask[] tasks = p.CriticalTasks.Items;
+            DateTime now = DateTime.UtcNow;
             for (int i = 0; i < tasks.Length; i++) {
                 SchedulerTask task = tasks[i];
+                if (now < task.NextRun) continue;
+                
                 task.Callback(task);
+                task.NextRun = now.Add(task.Delay);
                 
                 if (task.Repeating) continue;
                 p.CriticalTasks.Remove(task);