diff --git a/GamecraftModdingAPI/Blocks/BlockIDs.cs b/GamecraftModdingAPI/Blocks/BlockIDs.cs
index cbe581d..4915041 100644
--- a/GamecraftModdingAPI/Blocks/BlockIDs.cs
+++ b/GamecraftModdingAPI/Blocks/BlockIDs.cs
@@ -7,8 +7,7 @@ namespace GamecraftModdingAPI.Blocks
     {
         AluminiumCube,
         AxleS,
-        Battery,
-        HingeS,
+        HingeS = 3,
         MotorS,
         HingeM,
         MotorM,
@@ -68,8 +67,7 @@ namespace GamecraftModdingAPI.Blocks
         GlassConeSegment,
         GlassCylinder,
         GlassSphere,
-        Lever,
-        Reactor, //64 - one ID is skipped
+        Lever, //63 - two IDs skipped
         PlayerSpawn = 66, //Crashes without special handling
         SmallSpawn,
         MediumSpawn,
@@ -154,6 +152,17 @@ namespace GamecraftModdingAPI.Blocks
         ConcreteSlicedCube,
         ConcreteSlope,
         ConcreteCorner,
+        RoadCarTyre,
+        OffRoadCarTyre,
+        RacingCarTyre,
+        BicycleTyre,
+        FrontBikeTyre,
+        RearBikeTyre,
+        ChopperBikeTyre,
+        TractorTyre,
+        MonsterTruckTyre,
+        MotocrossBikeTyre,
+        CartTyre,
         BeachTree1 = 200,
         BeachTree2,
         BeachTree3,
diff --git a/GamecraftModdingAPI/Blocks/Placement.cs b/GamecraftModdingAPI/Blocks/Placement.cs
index d91d214..4e3083b 100644
--- a/GamecraftModdingAPI/Blocks/Placement.cs
+++ b/GamecraftModdingAPI/Blocks/Placement.cs
@@ -38,8 +38,9 @@ namespace GamecraftModdingAPI.Blocks
                 } 
                 catch (Exception e)
                 {
+                    uREPL.Log.Output(e.Message);
 #if DEBUG
-                    Logging.LogException(e);
+                    //Logging.LogException(e);
 #endif
                     return false;
                 }                
diff --git a/GamecraftModdingAPI/Blocks/PlacementEngine.cs b/GamecraftModdingAPI/Blocks/PlacementEngine.cs
index 0bcf890..683d14f 100644
--- a/GamecraftModdingAPI/Blocks/PlacementEngine.cs
+++ b/GamecraftModdingAPI/Blocks/PlacementEngine.cs
@@ -66,6 +66,9 @@ namespace GamecraftModdingAPI.Blocks
             if (scale.x < 4e-5) scale.x = uscale;
             if (scale.y < 4e-5) scale.y = uscale;
             if (scale.z < 4e-5) scale.z = uscale;
+            uint dbid = block;
+            if (!PrefabsID.DBIDMAP.ContainsKey(dbid))
+                throw new Exception("Block with ID " + dbid + " not found!");
             //RobocraftX.CR.MachineEditing.PlaceBlockEngine
             ScalingEntityStruct scaling = new ScalingEntityStruct {scale = scale};
             Quaternion rotQ = Quaternion.Euler(rot);
@@ -74,7 +77,6 @@ namespace GamecraftModdingAPI.Blocks
                 {position = position, rotation = rotQ};
             CubeCategoryStruct category = new CubeCategoryStruct
                 {category = CubeCategory.General, type = CubeType.Block};
-            uint dbid = block;
             DBEntityStruct dbEntity = new DBEntityStruct {DBID = dbid};
             uint num = PrefabsID.DBIDMAP[dbid];
             GFXPrefabEntityStructGO gfx = new GFXPrefabEntityStructGO {prefabID = num};
diff --git a/GamecraftModdingAPI/Events/GameActivatedPatch.cs b/GamecraftModdingAPI/Events/GameActivatedPatch.cs
index b85a6e6..13f4c59 100644
--- a/GamecraftModdingAPI/Events/GameActivatedPatch.cs
+++ b/GamecraftModdingAPI/Events/GameActivatedPatch.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Reflection;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -9,24 +10,31 @@ using RobocraftX;
 using Svelto.ECS;
 
 using GamecraftModdingAPI.Utility;
+using RobocraftX.CR.MainGame;
 
 namespace GamecraftModdingAPI.Events
 {
     /// <summary>
     /// Patch of RobocraftX.FullGameCompositionRoot.ActivateGame()
     /// </summary>
-    [HarmonyPatch(typeof(FullGameCompositionRoot), "ActivateGame")]
+    [HarmonyPatch]
     class GameActivatedPatch
     {
-        public static void Postfix(ref EnginesRoot ____mainGameEnginesRoot)
+        public static void Postfix(ref EnginesRoot enginesRoot)
         {
             // register custom game engines
-            GameEngineManager.RegisterEngines(____mainGameEnginesRoot);
+            GameEngineManager.RegisterEngines(enginesRoot);
             // A new EnginesRoot is always created when ActivateGame is called
             // so all event emitters and handlers must be re-registered.
-            EventManager.RegisterEngines(____mainGameEnginesRoot);
+            EventManager.RegisterEngines(enginesRoot);
             Logging.Log("Dispatching Game Activated event");
             EventManager.GetEventEmitter("GamecraftModdingAPIGameActivatedEventEmitter").Emit();
         }
+
+        public static MethodBase TargetMethod()
+        {
+            return typeof(MainGameCompositionRoot).GetMethods().First(m => m.Name == "Compose")
+                .MakeGenericMethod(typeof(object));
+        }
     }
 }
diff --git a/GamecraftModdingAPI/Events/GameSwitchedToPatch.cs b/GamecraftModdingAPI/Events/GameSwitchedToPatch.cs
index 04cf065..69b6aff 100644
--- a/GamecraftModdingAPI/Events/GameSwitchedToPatch.cs
+++ b/GamecraftModdingAPI/Events/GameSwitchedToPatch.cs
@@ -20,8 +20,8 @@ namespace GamecraftModdingAPI.Events
         public static void Postfix()
         {
             // Event emitters and handlers should already be registered by GameActivated event
-            Logging.Log("Dispatching Game Switched To event");
-            EventManager.GetEventEmitter("GamecraftModdingAPIGameSwitchedToEventEmitter").Emit();
+            Logging.Log("Not dispatching Game Switched To event");
+            //EventManager.GetEventEmitter("GamecraftModdingAPIGameSwitchedToEventEmitter").Emit();
         }
     }
 }