:(

source/MainMenuState.hx

@@ -118,6 +118,9 @@ class MainMenuState extends MusicBeatState
 
 	override function update(elapsed:Float)
 	{
+		if (FlxG.keys.justPressed.END)
+			FlxG.switchState(new YouCanNowPlayFreeplayState());
+
 		if (FlxG.sound.music.volume < 0.8)
 		{
 			FlxG.sound.music.volume += 0.5 * FlxG.elapsed;

source/YouCanNowPlayFreeplayState.hx

@@ -0,0 +1,25 @@
+import flixel.FlxG;
+import flixel.tweens.FlxEase;
+import flixel.tweens.FlxTween;
+import flixel.FlxSprite;
+import flixel.FlxState;
+
+class YouCanNowPlayFreeplayState extends FlxState {
+
+    override function create() {
+        FlxG.sound.music.destroy();
+
+        var img:FlxSprite = new FlxSprite().loadGraphic(Paths.image("stages/yay"));
+        add(img);
+        img.alpha = 0;
+        FlxTween.tween(img, {"alpha": 1}, 1, {ease: FlxEase.expoInOut});
+
+        super.create();
+    }
+
+    override function update(elapsed:Float) {
+        if (FlxG.keys.justPressed.ENTER)
+            FlxG.switchState(new MainMenuState());
+        super.update(elapsed);
+    }
+}