if optimize mode is on, then remove assets and free memory

source/PauseSubState.hx

@@ -209,6 +209,7 @@ class PauseSubState extends MusicBeatSubstate
 		{
 			var daSelected:String = menuItems[curSelected];
 
+			
 			switch (daSelected)
 			{
 				case "Resume":
@@ -221,6 +222,7 @@ class PauseSubState extends MusicBeatSubstate
 						PlayState.instance.remove(PlayState.instance.videoSprite);
 						PlayState.instance.removedVideo = true;
 					}
+					PlayState.instance.clean();
 					FlxG.resetState();
 				case "Exit to menu":
 					PlayState.startTime = 0;
@@ -247,6 +249,8 @@ class PauseSubState extends MusicBeatSubstate
 					if (FlxG.save.data.fpsCap > 290)
 						(cast (Lib.current.getChildAt(0), Main)).setFPSCap(290);
 					
+					PlayState.instance.clean();
+
 					if (PlayState.isStoryMode)
 						FlxG.switchState(new StoryMenuState());
 					else