diff --git a/app/Bootstrap/HttpServer.js b/app/Bootstrap/HttpServer.js
index ff4a8b8..1c30e77 100755
--- a/app/Bootstrap/HttpServer.js
+++ b/app/Bootstrap/HttpServer.js
@@ -7,6 +7,8 @@ define([
 
 function (http, nodeStatic, Api, fs) {
 
+	"use strict";
+
     function HttpServer (options, coordinator) {
         options.port = options.port || 1234;
         options.caching = typeof options.caching != 'undefined' ? options.caching : 3600;
diff --git a/app/Bootstrap/Socket.js b/app/Bootstrap/Socket.js
index 460ac73..392af34 100755
--- a/app/Bootstrap/Socket.js
+++ b/app/Bootstrap/Socket.js
@@ -4,6 +4,8 @@ define([
 
 function (io) {
 
+	"use strict";
+
     function Socket (server, options, coordinator) {
         options.logLevel = typeof options.logLevel != 'undefined'
             ? options.logLevel
diff --git a/app/Game/Channel/Collision/Detector.js b/app/Game/Channel/Collision/Detector.js
index 8576da9..4d81552 100755
--- a/app/Game/Channel/Collision/Detector.js
+++ b/app/Game/Channel/Collision/Detector.js
@@ -4,6 +4,8 @@ define([
 
 function (Parent) {
 
+	"use strict";
+
     function Detector () {
         Parent.call(this);
     }
diff --git a/app/Game/Channel/GameController.js b/app/Game/Channel/GameController.js
index eb7e013..66a6b74 100755
--- a/app/Game/Channel/GameController.js
+++ b/app/Game/Channel/GameController.js
@@ -14,6 +14,8 @@ define([
 
 function (Parent, PhysicsEngine, Settings, PlayerController, requestAnimFrame, Nc, Box2D, Player, GameObject, Doll, RagDoll) {
 
+	"use strict";
+
     function GameController (options) {
 
         this.animationTimeout = null;
diff --git a/app/Game/Channel/GameObjects/Doll.js b/app/Game/Channel/GameObjects/Doll.js
index ed5022b..ea5fa0f 100755
--- a/app/Game/Channel/GameObjects/Doll.js
+++ b/app/Game/Channel/GameObjects/Doll.js
@@ -6,6 +6,8 @@ define([
 ],
  
 function (Parent, Item, Box2D, Nc) {
+
+	"use strict";
  
     function Doll(physicsEngine, uid, player) {
     	Parent.call(this, physicsEngine, uid, player);
@@ -15,10 +17,12 @@ function (Parent, Item, Box2D, Nc) {
  
     Doll.prototype.findCloseItem = function(x, y) {
 
+        var self = this;
+
     	function findItem(array) {
         	for (var i = 0; i < array.length; i++) {
         		var item = array[i];
-        		if(item.isGrabbingAllowed(this.player)) {
+        		if(item.isGrabbingAllowed(self.player)) {
         			return item;
         		}
         	}
diff --git a/app/Game/Channel/GameObjects/Item.js b/app/Game/Channel/GameObjects/Item.js
index dcf28ef..0102d49 100755
--- a/app/Game/Channel/GameObjects/Item.js
+++ b/app/Game/Channel/GameObjects/Item.js
@@ -3,6 +3,8 @@ define([
 ],
  
 function (Parent) {
+
+	"use strict";
  
     function Item(physicsEngine, uid, options) {
     	Parent.call(this, physicsEngine, uid, options);
diff --git a/app/Game/Channel/GameObjects/Items/RagDoll.js b/app/Game/Channel/GameObjects/Items/RagDoll.js
index 938e229..9576a73 100644
--- a/app/Game/Channel/GameObjects/Items/RagDoll.js
+++ b/app/Game/Channel/GameObjects/Items/RagDoll.js
@@ -5,6 +5,8 @@ define([
 ],
  
 function (Parent, Settings, Nc) {
+
+	"use strict";
  
     function RagDoll(physicsEngine, uid, options) {
         this.scheduledForDestruction = false;
diff --git a/app/Game/Channel/GameObjects/Items/Rube.js b/app/Game/Channel/GameObjects/Items/Rube.js
index f663984..455467b 100644
--- a/app/Game/Channel/GameObjects/Items/Rube.js
+++ b/app/Game/Channel/GameObjects/Items/Rube.js
@@ -4,6 +4,8 @@ define([
  
 function (Parent) {
 
+	"use strict";
+
     return Parent;
  
 });
\ No newline at end of file
diff --git a/app/Game/Channel/GameObjects/SpectatorDoll.js b/app/Game/Channel/GameObjects/SpectatorDoll.js
index b89f262..058fca7 100644
--- a/app/Game/Channel/GameObjects/SpectatorDoll.js
+++ b/app/Game/Channel/GameObjects/SpectatorDoll.js
@@ -4,6 +4,8 @@ define([
  
 function (Parent) {
 
+	"use strict";
+
     return Parent;
  
 });
\ No newline at end of file
diff --git a/app/Game/Channel/Loader/Level.js b/app/Game/Channel/Loader/Level.js
index 7b2c972..855fea3 100755
--- a/app/Game/Channel/Loader/Level.js
+++ b/app/Game/Channel/Loader/Level.js
@@ -6,6 +6,8 @@ define([
 
 function (Parent, Settings, FileSystem) {
 
+	"use strict";
+
     function Level (uid, engine, gameObjects) {
         Parent.call(this, uid, engine, gameObjects);
     }
diff --git a/app/Game/Channel/Loader/TiledLevel.js b/app/Game/Channel/Loader/TiledLevel.js
index e23fbd3..ad96bfd 100644
--- a/app/Game/Channel/Loader/TiledLevel.js
+++ b/app/Game/Channel/Loader/TiledLevel.js
@@ -4,6 +4,8 @@ define([
  
 function (Parent) {
 
+	"use strict";
+
     return Parent;
  
 });
\ No newline at end of file
diff --git a/app/Game/Channel/PipeToServer.js b/app/Game/Channel/PipeToServer.js
index 2c007e5..43044f1 100755
--- a/app/Game/Channel/PipeToServer.js
+++ b/app/Game/Channel/PipeToServer.js
@@ -5,6 +5,8 @@ define([
 
 function (Nc, Channel) {
 
+	"use strict";
+
     function PipeToServer (process) {
 
         var self = this;
diff --git a/app/Game/Channel/Player.js b/app/Game/Channel/Player.js
index 00f806a..7fc60b1 100755
--- a/app/Game/Channel/Player.js
+++ b/app/Game/Channel/Player.js
@@ -4,6 +4,8 @@ define([
 ],
  
 function (Parent, Nc) {
+
+	"use strict";
  
     function Player(id, physicsEngine, user) {
     	Parent.call(this, id, physicsEngine, user);
diff --git a/app/Game/Client/AudioPlayer.js b/app/Game/Client/AudioPlayer.js
index a43866e..9925ab0 100644
--- a/app/Game/Client/AudioPlayer.js
+++ b/app/Game/Client/AudioPlayer.js
@@ -2,6 +2,8 @@ define([
 ],
  
 function () {
+
+	"use strict";
  
     function AudioPlayer(path) {
     	this.audio = new Audio(path);
diff --git a/app/Game/Client/Collision/Detector.js b/app/Game/Client/Collision/Detector.js
index 20e16a4..ab540f2 100755
--- a/app/Game/Client/Collision/Detector.js
+++ b/app/Game/Client/Collision/Detector.js
@@ -4,6 +4,8 @@ define([
 
 function (Parent) {
 
+	"use strict";
+
     function Detector () {
         Parent.call(this);
     }
diff --git a/app/Game/Client/Control/Input/GamepadInput.js b/app/Game/Client/Control/Input/GamepadInput.js
index 9ddef91..24ddad5 100644
--- a/app/Game/Client/Control/Input/GamepadInput.js
+++ b/app/Game/Client/Control/Input/GamepadInput.js
@@ -5,6 +5,8 @@ define([
 ],
  
 function (Parent, Settings, Nc) {
+
+	"use strict";
  
     function GamepadInput(playerController) {
     	this.playerController = playerController;
diff --git a/app/Game/Client/Control/Input/MouseInput.js b/app/Game/Client/Control/Input/MouseInput.js
index ee66551..b069f52 100755
--- a/app/Game/Client/Control/Input/MouseInput.js
+++ b/app/Game/Client/Control/Input/MouseInput.js
@@ -6,6 +6,8 @@ define([
 ],
  
 function (Parent, DomController, Settings, Nc) {
+
+	"use strict";
  
     function MouseInput() {
     	Parent.call(this);
diff --git a/app/Game/Client/Control/Input/XyInput.js b/app/Game/Client/Control/Input/XyInput.js
index 47864d4..fc46cc1 100755
--- a/app/Game/Client/Control/Input/XyInput.js
+++ b/app/Game/Client/Control/Input/XyInput.js
@@ -3,6 +3,8 @@ define([
 ],
  
 function (Nc) {
+
+	"use strict";
  
     function XyInput() {
     	this.x = null;
diff --git a/app/Game/Client/Control/KeyboardInput.js b/app/Game/Client/Control/KeyboardInput.js
index 665d1aa..6c66ede 100755
--- a/app/Game/Client/Control/KeyboardInput.js
+++ b/app/Game/Client/Control/KeyboardInput.js
@@ -4,6 +4,8 @@ define([
 
 function (Key) {
 
+	"use strict";
+
     function KeyboardInput (playerController) {
 
         this._registry = {};
diff --git a/app/Game/Client/Control/PlayerController.js b/app/Game/Client/Control/PlayerController.js
index fbe1ca5..e7c7390 100755
--- a/app/Game/Client/Control/PlayerController.js
+++ b/app/Game/Client/Control/PlayerController.js
@@ -8,6 +8,8 @@ define([
 
 function (Parent, KeyboardInput, MouseInput, Nc, GamepadInput) {
 
+	"use strict";
+
     function PlayerController (me) {
 
         Parent.call(this, me);
diff --git a/app/Game/Client/GameController.js b/app/Game/Client/GameController.js
index d219c32..163fa7a 100755
--- a/app/Game/Client/GameController.js
+++ b/app/Game/Client/GameController.js
@@ -17,6 +17,8 @@ define([
 
 function (Parent, Box2D, PhysicsEngine, ViewManager, PlayerController, Nc, requestAnimFrame, Settings, GameObject, Doll, DomController, ProtocolHelper, Me, AudioPlayer) {
 
+	"use strict";
+
     if (!window.cancelAnimationFrame) {
         window.cancelAnimationFrame = function(id) {
             clearTimeout(id);
diff --git a/app/Game/Client/GameObjects/Doll.js b/app/Game/Client/GameObjects/Doll.js
index 26c24ce..4d374b5 100755
--- a/app/Game/Client/GameObjects/Doll.js
+++ b/app/Game/Client/GameObjects/Doll.js
@@ -8,6 +8,8 @@ define([
 ],
  
 function (Parent, Settings, Nc, Exception, ColorConverter, Layer) {
+
+	"use strict";
  
     function Doll(physicsEngine, uid, player) {   
         this.layerId = Layer.ID.SPAWN;
diff --git a/app/Game/Client/GameObjects/GameObject.js b/app/Game/Client/GameObjects/GameObject.js
index 577830d..d20405e 100755
--- a/app/Game/Client/GameObjects/GameObject.js
+++ b/app/Game/Client/GameObjects/GameObject.js
@@ -5,6 +5,8 @@ define([
 ],
  
 function (Parent, Exception, Nc) {
+
+	"use strict";
  
     function GameObject(physicsEngine, uid) {
     	Parent.call(this, physicsEngine, uid);
diff --git a/app/Game/Client/GameObjects/Item.js b/app/Game/Client/GameObjects/Item.js
index e96a1b6..f49fb8a 100755
--- a/app/Game/Client/GameObjects/Item.js
+++ b/app/Game/Client/GameObjects/Item.js
@@ -6,6 +6,8 @@ define([
 ],
  
 function (Parent, Settings, Nc, Layer) {
+
+	"use strict";
  
     function Item(physicsEngine, uid, options) {
         this.layerId = Layer.ID.ITEM;
diff --git a/app/Game/Client/GameObjects/Items/RagDoll.js b/app/Game/Client/GameObjects/Items/RagDoll.js
index d24b04c..c5bf84a 100644
--- a/app/Game/Client/GameObjects/Items/RagDoll.js
+++ b/app/Game/Client/GameObjects/Items/RagDoll.js
@@ -7,6 +7,8 @@ define([
 ],
  
 function (Parent, CoreItem, Settings, Nc, Layer) {
+
+	"use strict";
  
     function RagDoll(physicsEngine, uid, options) {
         this.layerId = Layer.ID.SPAWN;
diff --git a/app/Game/Client/GameObjects/Items/Rube.js b/app/Game/Client/GameObjects/Items/Rube.js
index e029668..4aa825b 100644
--- a/app/Game/Client/GameObjects/Items/Rube.js
+++ b/app/Game/Client/GameObjects/Items/Rube.js
@@ -3,6 +3,8 @@ define([
 ],
  
 function (Parent) {
+
+	"use strict";
  
     function Rube(physicsEngine, uid, options) {
     	Parent.call(this, physicsEngine, uid, options);
diff --git a/app/Game/Client/GameObjects/SpectatorDoll.js b/app/Game/Client/GameObjects/SpectatorDoll.js
index faf141a..4d1fbb1 100644
--- a/app/Game/Client/GameObjects/SpectatorDoll.js
+++ b/app/Game/Client/GameObjects/SpectatorDoll.js
@@ -3,6 +3,8 @@ define([
 ],
  
 function (Parent) {
+
+	"use strict";
  
     function SpectatorDoll(physicsEngine, uid) {
     	Parent.call(this, physicsEngine, uid);
diff --git a/app/Game/Client/GameObjects/Tile.js b/app/Game/Client/GameObjects/Tile.js
index 90f3d40..a92d455 100755
--- a/app/Game/Client/GameObjects/Tile.js
+++ b/app/Game/Client/GameObjects/Tile.js
@@ -6,6 +6,8 @@ define([
 ],
  
 function (Parent, Settings, Nc, Layer) {
+
+	"use strict";
  
     function Tile(physicsEngine, uid, options) {
         this.layerId = Layer.ID.TILE;
diff --git a/app/Game/Client/Loader/Level.js b/app/Game/Client/Loader/Level.js
index 09ea586..2a09bc9 100755
--- a/app/Game/Client/Loader/Level.js
+++ b/app/Game/Client/Loader/Level.js
@@ -8,6 +8,8 @@ define([
 
 function (Parent, Settings, Nc, PIXI, AbstractLayer) {
 
+	"use strict";
+
     function Level (uid, engine, gameObjects) {
         Parent.call(this, uid, engine, gameObjects);
     }
diff --git a/app/Game/Client/Loader/TiledLevel.js b/app/Game/Client/Loader/TiledLevel.js
index e442d43..0f7cd1d 100644
--- a/app/Game/Client/Loader/TiledLevel.js
+++ b/app/Game/Client/Loader/TiledLevel.js
@@ -5,6 +5,8 @@ define([
 ],
  
 function (Parent, Settings, Nc) {
+
+	"use strict";
  
     function TiledLevel(uid, engine, gameObjects) {
         this.layerId = "background";
diff --git a/app/Game/Client/Me.js b/app/Game/Client/Me.js
index 5ee6e55..e5b86cd 100644
--- a/app/Game/Client/Me.js
+++ b/app/Game/Client/Me.js
@@ -5,6 +5,8 @@ define([
 ],
  
 function (Parent, Settings, Nc) {
+
+	"use strict";
  
     function Me(id, physicsEngine, user) {
     	Parent.call(this, id, physicsEngine, user);
diff --git a/app/Game/Client/Networker.js b/app/Game/Client/Networker.js
index 304e9f2..f3ea014 100755
--- a/app/Game/Client/Networker.js
+++ b/app/Game/Client/Networker.js
@@ -9,6 +9,8 @@ define([
 
 function (ProtocolHelper, GameController, User, Nc, Settings, DomController) {
 
+	"use strict";
+
     function Networker (socketLink, channelName, nickname) {
         this.channelName = channelName;
         this.nickname = nickname;
diff --git a/app/Game/Client/Physics/Engine.js b/app/Game/Client/Physics/Engine.js
index b368571..bcf587d 100755
--- a/app/Game/Client/Physics/Engine.js
+++ b/app/Game/Client/Physics/Engine.js
@@ -8,6 +8,8 @@ define([
 
 function (Parent, Settings, DomController, Box2D, Nc) {
 
+	"use strict";
+
     function Engine () {
         Parent.call(this);
 
diff --git a/app/Game/Client/Player.js b/app/Game/Client/Player.js
index b92a2ba..c14989c 100755
--- a/app/Game/Client/Player.js
+++ b/app/Game/Client/Player.js
@@ -5,6 +5,8 @@ define([
 ],
  
 function (Parent, Nc, Settings) {
+
+	"use strict";
  
     function Player(id, physicsEngine, user) {
     	Parent.call(this, id, physicsEngine, user);
diff --git a/app/Game/Client/View/Abstract/Layer.js b/app/Game/Client/View/Abstract/Layer.js
index 3c31ec8..225c8ba 100644
--- a/app/Game/Client/View/Abstract/Layer.js
+++ b/app/Game/Client/View/Abstract/Layer.js
@@ -4,6 +4,8 @@ define([
 
 function (Abstract) {
 
+	"use strict";
+
     function Layer(name, parallaxSpeed) {
     	this.name = name;
     	this.parallaxSpeed = parallaxSpeed;
diff --git a/app/Game/Client/View/Abstract/View.js b/app/Game/Client/View/Abstract/View.js
index 7f63f3d..10fc885 100755
--- a/app/Game/Client/View/Abstract/View.js
+++ b/app/Game/Client/View/Abstract/View.js
@@ -7,6 +7,8 @@ define([
 ],
 
 function (Abstract, DomController, Settings, Exception, Nc) {
+
+	"use strict";
     
     function AbstractView () {
     	this.me = null;
diff --git a/app/Game/Client/View/DomController.js b/app/Game/Client/View/DomController.js
index 2a9cd9c..3a95f0a 100755
--- a/app/Game/Client/View/DomController.js
+++ b/app/Game/Client/View/DomController.js
@@ -7,6 +7,8 @@ define([
 
 function (Settings, Nc, Stats, Screenfull) {
 
+	"use strict";
+
     function DomController() {
         this.canvas = document.getElementById("canvas");
         this.debugCanvas = null;
diff --git a/app/Game/Client/View/LayerManager.js b/app/Game/Client/View/LayerManager.js
index 7aeaad7..e41f9d2 100644
--- a/app/Game/Client/View/LayerManager.js
+++ b/app/Game/Client/View/LayerManager.js
@@ -5,6 +5,8 @@ define([
 ],
  
 function (Nc, Exception, Layer) {
+
+	"use strict";
  
     function LayerManager(container, me) {
         this.layers = [];
diff --git a/app/Game/Client/View/Mesh.js b/app/Game/Client/View/Mesh.js
index a7c813e..d261e36 100644
--- a/app/Game/Client/View/Mesh.js
+++ b/app/Game/Client/View/Mesh.js
@@ -7,6 +7,8 @@ define([
 
 function (Settings, Nc, Stats, Screenfull) {
 
+	"use strict";
+
     function Mesh() {
 
     }
diff --git a/app/Game/Client/View/Pixi/ColorRangeReplaceFilter.js b/app/Game/Client/View/Pixi/ColorRangeReplaceFilter.js
index faf69bf..70045ea 100644
--- a/app/Game/Client/View/Pixi/ColorRangeReplaceFilter.js
+++ b/app/Game/Client/View/Pixi/ColorRangeReplaceFilter.js
@@ -4,6 +4,8 @@ define([
  
 function (PIXI) {
 
+	"use strict";
+
     var Parent = PIXI.AbstractFilter;
  
     function ColorRangeReplaceFilter() {
diff --git a/app/Game/Client/View/Pixi/GameStats.js b/app/Game/Client/View/Pixi/GameStats.js
index fc7e697..68ca430 100644
--- a/app/Game/Client/View/Pixi/GameStats.js
+++ b/app/Game/Client/View/Pixi/GameStats.js
@@ -6,6 +6,8 @@ define([
 ],
  
 function (PIXI, Nc, Settings, ColorConverter) {
+
+	"use strict";
  
     function GameStats(container) {
 
diff --git a/app/Game/Client/View/Pixi/Layer.js b/app/Game/Client/View/Pixi/Layer.js
index f642bf1..f9a996d 100644
--- a/app/Game/Client/View/Pixi/Layer.js
+++ b/app/Game/Client/View/Pixi/Layer.js
@@ -7,6 +7,8 @@ define([
 
 function (Parent, PIXI, ColorRangeReplaceFilter, Settings) {
 
+	"use strict";
+
     var AVAILABLE_MESH_FILTERS = {
         "blur": PIXI.BlurFilter,
         "desaturate": PIXI.GrayFilter,
diff --git a/app/Game/Client/View/Pixi/Layers/Ghost.js b/app/Game/Client/View/Pixi/Layers/Ghost.js
index 1555a72..9659ef9 100644
--- a/app/Game/Client/View/Pixi/Layers/Ghost.js
+++ b/app/Game/Client/View/Pixi/Layers/Ghost.js
@@ -6,6 +6,8 @@ define([
 ],
  
 function (Parent, PIXI, Nc, Settings) {
+
+	"use strict";
  
     function Ghost() {
     	Parent.call(this, "ghost", 0);
diff --git a/app/Game/Client/View/Pixi/View.js b/app/Game/Client/View/Pixi/View.js
index c180339..4daa5fc 100755
--- a/app/Game/Client/View/Pixi/View.js
+++ b/app/Game/Client/View/Pixi/View.js
@@ -12,6 +12,8 @@ define([
 
 function (Parent, DomController, PIXI, Settings, Nc, Exception, GameStats, LayerManager, Ghost) {
 
+	"use strict";
+
     function PixiView () {
 
         Parent.call(this);
diff --git a/app/Game/Client/View/Three/View.js b/app/Game/Client/View/Three/View.js
index a73fa3c..3255a28 100755
--- a/app/Game/Client/View/Three/View.js
+++ b/app/Game/Client/View/Three/View.js
@@ -6,6 +6,8 @@ define([
 ], 
 
 function (Parent, DomController, Three, Settings) {
+
+	"use strict";
     
     function ThreeView () {
         Parent.call(this);
diff --git a/app/Game/Client/View/ViewManager.js b/app/Game/Client/View/ViewManager.js
index 0172030..f116d8e 100755
--- a/app/Game/Client/View/ViewManager.js
+++ b/app/Game/Client/View/ViewManager.js
@@ -8,6 +8,8 @@ define([
 ],
  
 function (Settings, Exception, AbstractView, PixiView, Nc) {
+
+	"use strict";
  
     var ViewManager = {};
 
diff --git a/app/Game/Core/Collision/Detector.js b/app/Game/Core/Collision/Detector.js
index e4994f5..3849541 100755
--- a/app/Game/Core/Collision/Detector.js
+++ b/app/Game/Core/Collision/Detector.js
@@ -4,6 +4,8 @@ define([
 
 function (Box2D) {
 
+	"use strict";
+
     function Detector () {
         this.listener = new Box2D.Dynamics.b2ContactListener();
         this.listener.BeginContact = this.beginContact.bind(this);
diff --git a/app/Game/Core/GameController.js b/app/Game/Core/GameController.js
index e84747b..f09479b 100755
--- a/app/Game/Core/GameController.js
+++ b/app/Game/Core/GameController.js
@@ -8,6 +8,8 @@ define([
 
 function (PhysicsEngine, TiledLevel, Player, Nc, Doll) {
 
+	"use strict";
+
     function GameController (options) {
 
         this.options = options;
diff --git a/app/Game/Core/GameObjects/Doll.js b/app/Game/Core/GameObjects/Doll.js
index 5863019..86bc318 100755
--- a/app/Game/Core/GameObjects/Doll.js
+++ b/app/Game/Core/GameObjects/Doll.js
@@ -9,6 +9,8 @@ define([
 
 function (Parent, Box2D, Settings, CollisionDetector, Item, Nc) {
 
+	"use strict";
+
     function Doll (physicsEngine, uid, player) {
 
         this.characterName = "Chuck";
diff --git a/app/Game/Core/GameObjects/GameObject.js b/app/Game/Core/GameObjects/GameObject.js
index 20553a1..d0c26bf 100755
--- a/app/Game/Core/GameObjects/GameObject.js
+++ b/app/Game/Core/GameObjects/GameObject.js
@@ -4,6 +4,8 @@ define([
 ],
  
 function (Box2D, Exception) {
+
+	"use strict";
  
     function GameObject(physicsEngine, uid) {
         this.uid = uid;
diff --git a/app/Game/Core/GameObjects/Item.js b/app/Game/Core/GameObjects/Item.js
index f517a69..5f8fafd 100644
--- a/app/Game/Core/GameObjects/Item.js
+++ b/app/Game/Core/GameObjects/Item.js
@@ -8,6 +8,8 @@ define([
 ],
  
 function (Parent, Box2D, Options, Settings, Exception, Nc) {
+
+	"use strict";
  
     function Item(physicsEngine, uid, options) {
 
diff --git a/app/Game/Core/GameObjects/Items/RagDoll.js b/app/Game/Core/GameObjects/Items/RagDoll.js
index ea7ca36..be7bfec 100644
--- a/app/Game/Core/GameObjects/Items/RagDoll.js
+++ b/app/Game/Core/GameObjects/Items/RagDoll.js
@@ -6,6 +6,8 @@ define([
 ],
  
 function (Parent, Box2D, Settings, Nc) {
+
+	"use strict";
  
     function RagDoll(physicsEngine, uid, options) {
 
diff --git a/app/Game/Core/GameObjects/Items/RagDoll2.js b/app/Game/Core/GameObjects/Items/RagDoll2.js
index 8ebedff..75fd89e 100644
--- a/app/Game/Core/GameObjects/Items/RagDoll2.js
+++ b/app/Game/Core/GameObjects/Items/RagDoll2.js
@@ -5,6 +5,8 @@ define([
 ],
  
 function (Parent, Box2D, Settings) {
+
+	"use strict";
  
 	function RagDoll(physicsEngine, uid, options) {
 		Parent.call(this, physicsEngine, uid, options);
diff --git a/app/Game/Core/GameObjects/Items/Rube.js b/app/Game/Core/GameObjects/Items/Rube.js
index c5c66c5..2a5c179 100644
--- a/app/Game/Core/GameObjects/Items/Rube.js
+++ b/app/Game/Core/GameObjects/Items/Rube.js
@@ -7,6 +7,8 @@ define([
 
 function (Parent, RubeLoader, Box2D, Settings ) {
 
+	"use strict";
+
     // Fixme - make this loadable
     var __ragdollJson; 
  
diff --git a/app/Game/Core/GameObjects/Items/Skateboard.js b/app/Game/Core/GameObjects/Items/Skateboard.js
index 67fc387..cf1837e 100755
--- a/app/Game/Core/GameObjects/Items/Skateboard.js
+++ b/app/Game/Core/GameObjects/Items/Skateboard.js
@@ -5,6 +5,8 @@ define([
 ],
  
 function (Parent, Box2D, Settings) {
+
+	"use strict";
  
     function Skateboard(physicsEngine, uid, options) {
 
diff --git a/app/Game/Core/GameObjects/SpectatorDoll.js b/app/Game/Core/GameObjects/SpectatorDoll.js
index f86bba6..a6afbf3 100644
--- a/app/Game/Core/GameObjects/SpectatorDoll.js
+++ b/app/Game/Core/GameObjects/SpectatorDoll.js
@@ -4,6 +4,8 @@ define([
 ], 
  
 function (Parent, Box2D) {
+
+	"use strict";
  
     function SpectatorDoll(physicsEngine, uid, player) {
     	Parent.call(this, physicsEngine, uid);
diff --git a/app/Game/Core/GameObjects/Tile.js b/app/Game/Core/GameObjects/Tile.js
index 2f483db..45d67eb 100755
--- a/app/Game/Core/GameObjects/Tile.js
+++ b/app/Game/Core/GameObjects/Tile.js
@@ -7,6 +7,8 @@ define([
 ],
  
 function (Parent, Box2D, Settings, Exception, Nc) {
+
+	"use strict";
  
     function Tile(physicsEngine, uid, options) {
     	this.options = options;
diff --git a/app/Game/Core/Physics/Engine.js b/app/Game/Core/Physics/Engine.js
index 8eeb92c..c47efc3 100755
--- a/app/Game/Core/Physics/Engine.js
+++ b/app/Game/Core/Physics/Engine.js
@@ -7,6 +7,8 @@ define([
 
 function (Settings, Box2D, CollisionDetector, Nc) {
 
+	"use strict";
+
     function Engine () {
         this.world = new Box2D.Dynamics.b2World(
             new Box2D.Common.Math.b2Vec2(0, Settings.BOX2D_GRAVITY),
diff --git a/app/Game/Core/Player.js b/app/Game/Core/Player.js
index 9543c02..bc63272 100755
--- a/app/Game/Core/Player.js
+++ b/app/Game/Core/Player.js
@@ -7,9 +7,10 @@ define([
     "Game/" + GLOBALS.context + "/GameObjects/Items/RagDoll"
 ],
 
-
 function (Doll, Settings, Nc, Exception, SpectatorDoll, RagDoll) {
 
+	"use strict";
+
     function Player (id, physicsEngine, user) {
         this.stats = {
             health: 100,
diff --git a/app/Lib/Utilities/Abstract.js b/app/Lib/Utilities/Abstract.js
index 36c5780..c68e8ae 100644
--- a/app/Lib/Utilities/Abstract.js
+++ b/app/Lib/Utilities/Abstract.js
@@ -3,6 +3,8 @@ define([
 ],
  
 function (Exception) {
+
+	"use strict";
  
     function Abstract() {
     }
diff --git a/app/Lib/Utilities/ColorConverter.js b/app/Lib/Utilities/ColorConverter.js
index ee83384..0c9d5d1 100644
--- a/app/Lib/Utilities/ColorConverter.js
+++ b/app/Lib/Utilities/ColorConverter.js
@@ -3,6 +3,8 @@ define([
 ],
  
 function (CryptoJS) {
+
+	"use strict";
  
     function ColorConverter() {
     	this.sin = 0;
diff --git a/app/Lib/Utilities/NotificationCenter.js b/app/Lib/Utilities/NotificationCenter.js
index 126faf7..5a5dbc0 100755
--- a/app/Lib/Utilities/NotificationCenter.js
+++ b/app/Lib/Utilities/NotificationCenter.js
@@ -4,6 +4,8 @@ define([
 
 function (Exception) {
 
+	"use strict";
+
     function populate(obj, path) {
         path = path || "Nc.ns";
         for(var key in obj) {
diff --git a/app/Lib/Utilities/Options.js b/app/Lib/Utilities/Options.js
index 7b26b28..1616f77 100644
--- a/app/Lib/Utilities/Options.js
+++ b/app/Lib/Utilities/Options.js
@@ -3,6 +3,8 @@ define([
 ],
  
 function (Exception) {
+
+	"use strict";
  
     function Options() {
 
diff --git a/app/Lib/Utilities/Protocol/Helper.js b/app/Lib/Utilities/Protocol/Helper.js
index e27af52..523a423 100755
--- a/app/Lib/Utilities/Protocol/Helper.js
+++ b/app/Lib/Utilities/Protocol/Helper.js
@@ -5,6 +5,8 @@ define([
 
 function (Parser, Exception) {
 
+	"use strict";
+
     var Helper = {}
 
     Helper.encodeCommand = function (command, options) {
diff --git a/app/Lib/Utilities/Protocol/Parser.js b/app/Lib/Utilities/Protocol/Parser.js
index 1a47eb8..1cd09cc 100755
--- a/app/Lib/Utilities/Protocol/Parser.js
+++ b/app/Lib/Utilities/Protocol/Parser.js
@@ -3,6 +3,8 @@ define([
 
 function () {
 
+	"use strict";
+
     var Parser = {};
 
     Parser.encode = function (message) {
diff --git a/app/Lib/Utilities/RequestAnimFrame.js b/app/Lib/Utilities/RequestAnimFrame.js
index 2c849c4..a606a7f 100755
--- a/app/Lib/Utilities/RequestAnimFrame.js
+++ b/app/Lib/Utilities/RequestAnimFrame.js
@@ -4,6 +4,8 @@ define([
 
 function (Settings) {
 
+	"use strict";
+
     var requestAnimFrame = (function () {
 
         var _setTimeout = function ( callback ) {
diff --git a/app/Lib/Utilities/Validate.js b/app/Lib/Utilities/Validate.js
index 4e2eb1a..6f6a3cf 100644
--- a/app/Lib/Utilities/Validate.js
+++ b/app/Lib/Utilities/Validate.js
@@ -2,6 +2,8 @@ define([
 ],
  
 function () {
+
+	"use strict";
  
     function validate(object, description) {
 
diff --git a/app/Menu/Menu.js b/app/Menu/Menu.js
index f4954bb..df7037f 100644
--- a/app/Menu/Menu.js
+++ b/app/Menu/Menu.js
@@ -5,6 +5,8 @@ define([
  
 function (ColorConverter, Exception) {
 
+	"use strict";
+
 	var instance = null
  
     function Menu() {
diff --git a/app/Server/Api.js b/app/Server/Api.js
index cc30919..666bb09 100644
--- a/app/Server/Api.js
+++ b/app/Server/Api.js
@@ -9,6 +9,8 @@ define([
  
 function (Nc, ProtocolHelper, validate, Options, Settings, FileSystem) {
 
+	"use strict";
+
 		function Api(coordinator) {
 			this.coordinator = coordinator;
 			this.isError = false;
diff --git a/app/Server/Coordinator.js b/app/Server/Coordinator.js
index 407b539..6262d35 100644
--- a/app/Server/Coordinator.js
+++ b/app/Server/Coordinator.js
@@ -8,6 +8,8 @@ define([
 
 function (User, Channel, PipeToChannel, Nc, Settings) {
 
+	"use strict";
+
     function Coordinator() {
     	this.channelPipes = {};
 
diff --git a/app/Server/PipeToChannel.js b/app/Server/PipeToChannel.js
index 94bc11b..289d8db 100755
--- a/app/Server/PipeToChannel.js
+++ b/app/Server/PipeToChannel.js
@@ -5,6 +5,8 @@ define([
 
 function (Nc, childProcess) {
 
+	"use strict";
+
 	var fork = childProcess.fork;
 
 	function PipeToChannel (options) {
diff --git a/app/Server/User.js b/app/Server/User.js
index 3f3b47f..a2e412f 100644
--- a/app/Server/User.js
+++ b/app/Server/User.js
@@ -6,6 +6,8 @@ define([
 
 function (Parent, ProtocolHelper, Nc) {
 
+	"use strict";
+
     function User (socketLink, coordinator) {
         Parent.call(this, socketLink.id, {});
 
diff --git a/channel.js b/channel.js
index 3294623..c68ebbb 100755
--- a/channel.js
+++ b/channel.js
@@ -1,4 +1,6 @@
-GLOBALS = { context: "Channel" };
+"use strict";
+
+var GLOBALS = { context: "Channel" };
 var requirejs = require('requirejs');
 
 requirejs.config({
diff --git a/client.js b/client.js
index 5134ebd..b9c212f 100755
--- a/client.js
+++ b/client.js
@@ -1,4 +1,6 @@
-GLOBALS = { context: "Client" };
+"use strict";
+
+var GLOBALS = { context: "Client" };
 
 requirejs.config({
     baseUrl: 'app',
diff --git a/server.js b/server.js
index 9d829aa..90a2ad2 100755
--- a/server.js
+++ b/server.js
@@ -1,4 +1,6 @@
-GLOBALS = { context: "Channel" };
+"use strict";
+
+var GLOBALS = { context: "Channel" };
 var requirejs = require('requirejs');
 
 var inspector;
diff --git a/snippets/sublime/js-define-child.sublime-snippet b/snippets/sublime/js-define-child.sublime-snippet
index 9d74c6e..27857d4 100644
--- a/snippets/sublime/js-define-child.sublime-snippet
+++ b/snippets/sublime/js-define-child.sublime-snippet
@@ -6,6 +6,8 @@ define([
  
 function (Parent) {
 
+	"use strict";
+
     return Parent;
  
 });
diff --git a/snippets/sublime/js-define-extend.sublime-snippet b/snippets/sublime/js-define-extend.sublime-snippet
index 711e7ce..0d2290d 100755
--- a/snippets/sublime/js-define-extend.sublime-snippet
+++ b/snippets/sublime/js-define-extend.sublime-snippet
@@ -5,6 +5,8 @@ define([
 ],
  
 function (Parent) {
+
+    "use strict";
  
     function ${1:Module}() {
     	Parent.call(this);
diff --git a/snippets/sublime/js-define.sublime-snippet b/snippets/sublime/js-define.sublime-snippet
index 390cb91..9080b96 100755
--- a/snippets/sublime/js-define.sublime-snippet
+++ b/snippets/sublime/js-define.sublime-snippet
@@ -4,8 +4,11 @@ define([
 ],
  
 function () {
+
+    "use strict";
  
     function ${1:Module}() {
+        
     }
  
     ${1:Module}.prototype.${2:name} = function(${3:arguments}) {