diff --git a/flixel/FlxG.hx b/flixel/FlxG.hx
index 99559cddc7..10f7d72e86 100644
--- a/flixel/FlxG.hx
+++ b/flixel/FlxG.hx
@@ -27,6 +27,7 @@ import openfl.Lib;
 import openfl.display.DisplayObject;
 import openfl.display.Stage;
 import openfl.display.StageDisplayState;
+import openfl.events.Event;
 import openfl.net.URLRequest;
 #if FLX_TOUCH
 import flixel.input.touch.FlxTouchManager;
@@ -529,6 +530,7 @@ class FlxG
 	 * Called by `FlxGame` to set up `FlxG` during `FlxGame`'s constructor.
 	 */
 	@:allow(flixel.FlxGame.new)
+	@:haxe.warning("-WDeprecated")
 	static function init(game:FlxGame, width:Int, height:Int):Void
 	{
 		if (width < 0)
@@ -586,6 +588,8 @@ class FlxG
 		#if FLX_SOUND_SYSTEM
 		sound = new SoundFrontEnd();
 		#end
+		
+		assets.onChange.add(()->bitmap.onAssetsReload(new Event(Event.CHANGE)));
 	}
 
 	static function initRenderMethod():Void
diff --git a/flixel/FlxGame.hx b/flixel/FlxGame.hx
index 6f9eb08b3b..e8de1b1c8e 100644
--- a/flixel/FlxGame.hx
+++ b/flixel/FlxGame.hx
@@ -5,7 +5,6 @@ import flixel.system.FlxSplash;
 import flixel.util.FlxArrayUtil;
 import flixel.util.FlxDestroyUtil;
 import flixel.util.typeLimit.NextState;
-import openfl.Assets;
 import openfl.Lib;
 import openfl.display.Sprite;
 import openfl.display.StageAlign;
@@ -351,8 +350,6 @@ class FlxGame extends Sprite
 
 		// make sure the cursor etc are properly scaled from the start
 		resizeGame(FlxG.stage.stageWidth, FlxG.stage.stageHeight);
-
-		Assets.addEventListener(Event.CHANGE, FlxG.bitmap.onAssetsReload);
 	}
 
 	function onFocus(_):Void
diff --git a/flixel/graphics/FlxGraphic.hx b/flixel/graphics/FlxGraphic.hx
index 656a0ace93..163afcb691 100644
--- a/flixel/graphics/FlxGraphic.hx
+++ b/flixel/graphics/FlxGraphic.hx
@@ -25,9 +25,9 @@ class FlxGraphic implements IFlxDestroyable
 	public static var defaultPersist:Bool = false;
 
 	/**
-	 * Creates and caches FlxGraphic object from openfl.Assets key string.
+	 * Creates and caches FlxGraphic object from asset key string.
 	 *
-	 * @param   Source   `openfl.Assets` key string. For example: `"assets/image.png"`.
+	 * @param   Source   Asset key string. For example: `"assets/image.png"`.
 	 * @param   Unique   Ensures that the `BitmapData` uses a new slot in the cache.
 	 *                   If `true`, then `BitmapData` for this `FlxGraphic` will be cloned, which means extra memory.
 	 * @param   Key      Force the cache to use a specific key to index the bitmap.
diff --git a/flixel/graphics/frames/FlxBitmapFont.hx b/flixel/graphics/frames/FlxBitmapFont.hx
index 6ba8b53785..a166b171db 100644
--- a/flixel/graphics/frames/FlxBitmapFont.hx
+++ b/flixel/graphics/frames/FlxBitmapFont.hx
@@ -9,7 +9,6 @@ import flixel.math.FlxRect;
 import flixel.system.FlxAssets;
 import flixel.util.FlxColor;
 import haxe.xml.Access;
-import openfl.Assets;
 import openfl.display.BitmapData;
 import openfl.geom.Point;
 import openfl.geom.Rectangle;
diff --git a/flixel/system/FlxAssets.hx b/flixel/system/FlxAssets.hx
index 70d1486415..5191d4f9e3 100644
--- a/flixel/system/FlxAssets.hx
+++ b/flixel/system/FlxAssets.hx
@@ -318,7 +318,7 @@ class FlxAssets
 	 * Takes Dynamic object as a input and tries to convert it to BitmapData:
 	 * 1) if the input is BitmapData, then it will return this BitmapData;
 	 * 2) if the input is Class<BitmapData>, then it will create BitmapData from this class;
-	 * 3) if the input is String, then it will get BitmapData from openfl.Assets;
+	 * 3) if the input is String, then it will get BitmapData from FlxG.assets;
 	 * 4) it will return null in any other case.
 	 *
 	 * @param   graphic  input data to get BitmapData object for.
diff --git a/flixel/system/frontEnds/AssetFrontEnd.hx b/flixel/system/frontEnds/AssetFrontEnd.hx
index bb44118cbf..3cdf013540 100644
--- a/flixel/system/frontEnds/AssetFrontEnd.hx
+++ b/flixel/system/frontEnds/AssetFrontEnd.hx
@@ -3,6 +3,7 @@ package flixel.system.frontEnds;
 import flixel.FlxG;
 import flixel.system.FlxAssets;
 import flixel.system.debug.log.LogStyle;
+import flixel.util.FlxSignal;
 import haxe.Json;
 import haxe.io.Bytes;
 import haxe.io.Path;
@@ -45,6 +46,11 @@ using StringTools;
  */
 class AssetFrontEnd
 {
+	/**
+	 * Dispatched whenever the availability or the contents of assets change
+	 */
+	public final onChange = new FlxSignal();
+	
 	#if FLX_CUSTOM_ASSETS_DIRECTORY
 	/**
 	 * The target directory
@@ -63,6 +69,7 @@ class AssetFrontEnd
 		// Verify valid directory
 		if (sys.FileSystem.exists(directory) == false)
 			throw 'Error finding custom asset directory:"$directory" from given path: $rawPath';
+		
 		// remove final "/assets" since the id typically contains it
 		final split = directory.split("/");
 		split.pop();
@@ -82,7 +89,10 @@ class AssetFrontEnd
 		return id.startsWith("flixel/") || id.contains(':');
 	}
 	#else
-	public function new () {}
+	public function new ()
+	{
+		lime.utils.Assets.onChange.add(()->onChange.dispatch());
+	}
 	#end
 	
 	#if (FLX_DEFAULT_SOUND_EXT == "1" || FLX_NO_DEFAULT_SOUND_EXT)
@@ -246,6 +256,7 @@ class AssetFrontEnd
 		#else
 		if (useOpenflAssets(id))
 			return Assets.exists(id, type.toOpenFlType());
+		
 		// Can't verify contents match expected type without
 		return sys.FileSystem.exists(getPath(id));
 		#end
diff --git a/flixel/system/frontEnds/BitmapFrontEnd.hx b/flixel/system/frontEnds/BitmapFrontEnd.hx
index 8e17339206..75c2ec6844 100644
--- a/flixel/system/frontEnds/BitmapFrontEnd.hx
+++ b/flixel/system/frontEnds/BitmapFrontEnd.hx
@@ -6,8 +6,8 @@ import flixel.math.FlxPoint;
 import flixel.math.FlxRect;
 import flixel.system.FlxAssets;
 import flixel.util.FlxColor;
-import openfl.Assets;
 import openfl.display.BitmapData;
+import openfl.utils.Assets;
 #if FLX_OPENGL_AVAILABLE
 import lime.graphics.opengl.GL;
 #end
@@ -17,6 +17,7 @@ import lime.graphics.opengl.GL;
  * 
  * Accessed via `FlxG.bitmap`.
  */
+@:autoBuild(flixel.system.macros.FlxMacroUtil.deprecateOverride("onAssetsReload", "onAssetsReload is deprecated, use onAssetsChange, instead"))
 class BitmapFrontEnd
 {
 	#if FLX_OPENGL_AVAILABLE
@@ -48,15 +49,18 @@ class BitmapFrontEnd
 		reset();
 	}
 
+	@:deprecated("onAssetsReload is deprecated, use onAssetsChange, instead")
 	public function onAssetsReload(_):Void
 	{
-		for (key in _cache.keys())
+		onAssetsChange();
+	}
+	
+	public function onAssetsChange():Void
+	{
+		for (key => obj in _cache)
 		{
-			var obj = _cache.get(key);
 			if (obj != null && obj.canBeRefreshed)
-			{
 				obj.onAssetsReload();
-			}
 		}
 	}
 
@@ -126,7 +130,7 @@ class BitmapFrontEnd
 	 * @param   key  The FlxGraphics key (or name).
 	 * @return  The FlxGraphic with the specified key, or null if the object doesn't exist.
 	 */
-	public inline function get(key:String):FlxGraphic
+	public inline function get(key:String):Null<FlxGraphic>
 	{
 		return _cache.get(key);
 	}
@@ -137,11 +141,10 @@ class BitmapFrontEnd
 	 * @param   bmd  BitmapData to find in the cache.
 	 * @return  The BitmapData's key or null if there isn't such BitmapData in cache.
 	 */
-	public function findKeyForBitmap(bmd:BitmapData):String
+	public function findKeyForBitmap(bmd:BitmapData):Null<String>
 	{
-		for (key in _cache.keys())
+		for (key => obj in _cache)
 		{
-			var obj = _cache.get(key);
 			if (obj != null && obj.bitmap == bmd)
 				return key;
 		}
@@ -167,7 +170,7 @@ class BitmapFrontEnd
 	 * @param   unique     Whether generated key should be unique or not.
 	 * @return  Created key.
 	 */
-	public function generateKey(systemKey:String, userKey:String, unique = false):String
+	public function generateKey(systemKey:Null<String>, userKey:Null<String>, unique = false):String
 	{
 		var key:String = userKey;
 		if (key == null)
@@ -187,9 +190,11 @@ class BitmapFrontEnd
 	 */
 	public function getUniqueKey(?baseKey:String):String
 	{
-		if (baseKey == null)
-			baseKey = "pixels";
-
+		return getUniqueKeyHelper(baseKey != null ? baseKey : "pixels");
+	}
+	
+	function getUniqueKeyHelper(baseKey = "pixels"):String
+	{
 		if (!checkCache(baseKey))
 			return baseKey;
 
@@ -283,10 +288,9 @@ class BitmapFrontEnd
 			_cache = new Map();
 			return;
 		}
-
-		for (key in _cache.keys())
+		
+		for (key => obj in _cache)
 		{
-			var obj = get(key);
 			if (obj != null && !obj.persist && obj.useCount <= 0)
 			{
 				removeKey(key);
@@ -314,10 +318,9 @@ class BitmapFrontEnd
 			_cache = new Map();
 			return;
 		}
-
-		for (key in _cache.keys())
+		
+		for (key => obj in _cache)
 		{
-			var obj = get(key);
 			removeKey(key);
 
 			if (obj != null)
@@ -331,9 +334,8 @@ class BitmapFrontEnd
 	 */
 	public function clearUnused():Void
 	{
-		for (key in _cache.keys())
+		for (key => obj in _cache)
 		{
-			var obj = _cache.get(key);
 			if (obj != null && obj.useCount <= 0 && !obj.persist && obj.destroyOnNoUse)
 			{
 				removeByKey(key);
@@ -359,7 +361,7 @@ class BitmapFrontEnd
 		if (_whitePixel == null)
 		{
 			var bd = new BitmapData(10, 10, true, FlxColor.WHITE);
-			var graphic:FlxGraphic = FlxG.bitmap.add(bd, true, "whitePixels");
+			var graphic:FlxGraphic = add(bd, true, "whitePixels");
 			graphic.persist = true;
 			_whitePixel = graphic.imageFrame.frame;
 		}
diff --git a/flixel/text/FlxText.hx b/flixel/text/FlxText.hx
index b3dad3d00f..f8a0d47f3b 100644
--- a/flixel/text/FlxText.hx
+++ b/flixel/text/FlxText.hx
@@ -13,7 +13,6 @@ import flixel.system.FlxAssets;
 import flixel.util.FlxColor;
 import flixel.util.FlxDestroyUtil;
 import flixel.util.helpers.FlxRange;
-import openfl.Assets;
 import openfl.display.BitmapData;
 import openfl.geom.ColorTransform;
 import openfl.text.TextField;