diff --git a/assets/images/dont delete gerald.txt b/assets/images/dont delete gerald.txt
new file mode 100644
index 0000000000..9c89a3c72f
--- /dev/null
+++ b/assets/images/dont delete gerald.txt	
@@ -0,0 +1,262 @@
+if you delete gerald the game will fucking crash for some reason
+and it has to be that specific gerald too
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
++*++++-----:.....::::---=--------------::::::::::::::::::::::::::::::::.:.:::::.:::::--===-======---
++++++++*:---:-:.........::---------:-:::::::::::::::::::::::::::::::....::::::.::::-====-========---
++++++++++-----:::::.:..............::.::::::::::::::::.::.:.:::::.:::....::::::::=======-======-====
++++++++++--++-::::::::::......:::::.::.::::::::::.:.:.:.:............:::::::::=====-==============--
+++++++++*=-++*:::::::::::::........::.:.:::::..:.:::..:............::::::-==============-===-==-===-
++++++++++--+++++::::::::::....:.....:::......::::::...::::::....:.::.:::======================--=--=
+++++++++*=-++++++-:::::::::......:::..::.:::.::::::.........::...:::..============================-=
++++++++++=-++++++++=.::::.:.....:..::::.:.:.::::::::................-===========-=============--=-==
+++++++++++-+++++++++++:..:::.:..:::.:.::.....:.::::::.............=========-==-=-===================
+++++++++++-++++++++++++==.:.:::..::...:..:...:.::-::...........:==========+==++=+++++++*+===========
++++++++++===++++++++++=+===+-.:::::............:::.......::.==+==---------------:--------------:::::
+--------=---======---:::::::::::.......:.......:::.:::.......:........................:::::::::::.:.
+-::-:-::::::::-:::::::::::...:::.::::::........:::.:::.............::.................:::::::::::...
+:::::::::::::::::::::::.........................:::.................................................
+-::::::::::.:::..:.............................:::..................................................
+:::.::.........................................:.:..................................................
+::::................................................................:.::..::::::::::::::::::::::::::
+:::::....:::::................................::.:...............:::::::---::-:-::::::::::::::::::::
+::::::::::::::.............................:.::::.................::::--------:-::::::::::::::::::::
+::::::::::::::...............................::.::.:........:...::::--------:--:::::::::::::::::::::
+:::::::.::::....................:............::::.:.....::.....::::----:---:::::::::::::::::::::::::
+:::::::::.....................:.::..........::.::.:.....::....::::---------:::::::::::::::::::::::::
+:::::::::....:..................::............:::::...:..:..:::::----------:::::::::::::::::::::::::
+:::::::::::.......:.:::.....::..:::...........:::::........::::-------:-:--:::::::::::::::::::::::::
+:::::::::::::::........:.:.:.::::::..........:::-:::..:.::.::::------::-:-::::::::::::::::::::::::::
+:::::::::::::..:::........::-.:::.:::....:*######**=..::::::::-----------:::::::::::::::::::::::::::
+::::::::::::::::::..........:::-::.:+**+########*#*#**:::-:-:-----------::::::::::::::::::::::::::::
+:::::::::::::::...:..........:.++*%%+*=+*=#**##**+-+=+#*-=::-------------:::::::::::::::::::::::::::
+::::::::::::::::::::.:::.::...=#**=**+=-+==***##***+=+*%####*=----=---::::::::::::::::::::::::::::::
+:::::::::::::::::.....::::::####*+++++===+**##***#*++++++==+#**+=-----::::::::::::::::::::::::::::::
+:::::::::::::::::::::::::=+#%%%@@@%%#*+=+****#***#*++**%%%%%%%##-----:--::::::::::::::::::::::::::::
+::::::::::::::::::.:::::+##**%%@#%%%%##++***+###*##+*#%%%%%%%%%*+*-------:::::::::::::::::::::::::::
+:::::::::::::::::.:::#%%#++###%%%#%**%#*#*###########%##@@%@##*#*#+------:::::::::::::::---:::::::::
+:::::::::::::::.::.*%#%##*#*=*#*%*##*%%################***+*#%%%%###+----::::::::::::------:-:::::::
+::::::::::::::::.*######%%###*##***####%%%%%##*###%#######%#%%#%%#**=-:--::::::::::::--------:::::::
+:::::::::::::::::%%%*%%%%######*#####*###%%##################%#####%%#----:::::::::::---------::::::
+::::::::::::::::-%#*%%%%%####%##*#####***%@@@@###@@%%+######%%######%%:-:--:::::::::-----------:::::
+::::::::::::::::-#*#%#####%#%#%######*##****%#%%%%*+**#####%#########%*-::::::::::---------:----::::
+:::::::::::::::::*#%############%###***#++==+*%%#=+++*##%###*####%%##%@:::::-::::---------------::::
+:::::::::::::::::::%%%%#**##########**+*+++***%%**#*######*#*#####%#+#--:::::::::---:--:--------::::
+:::::::::::::::::::#%%%#***#*#**#*#%###**+****%%#*%##****##%#%*#%%#*---::::::::::----------------:::
+:::::::::::::--:::.%%@%#***#**###****##**++*#%#####**###@%##*###%**#-::::-::::::::::----:::::-:-::::
+:-::::::::--:::::::-#%%%%%*****###%**#**######**#%%##%#####*#+%%%%+::::......:::::::::::::::::::::::
+--:::----::::::-::::%@%%%***%%*%=:#*####*####%**##%*******%###%##%=.:.....:.::.::::::::::::::::::::.
+::----::-:::::::::::%@#=%@%%%%%@*#+********%*+**+*#*++++#*#%%%%#%+.................::::::::::::::::.
+-----:--::-:::::::::-+#%#%@+#-+%%%%%*%##*****+#++**+*#*%#%##@%%%#:...........::....::::::::::::::::.
+:---:----:-::::::::::@%%%%@%%+%%%%%%%#%%%#*#*+#*+**##%%%%%##@@%%-::::::::::::::::::::::::::::::::::.
+-----------::::::::::-%%+@#%=%@@%#%%%%%#%%###%%##@@%%#%@%#%#@@%%*====---------:--::::--::::::::.....
+-------------::::::::+%#%*@#@@%%#%%#%%%%%%%%%%##%@%@@%%%%%%%@@%%#+++++==+============--------::::...
+------------::-:::-:%#%#*%#@@%%%##%%%%%%%%%%%##%%%@@%%%%#%@%%%%%%#+++++++++++=+=+++=++++====---:::::
+------------:-:--:=%+%%*%%@@@%@%##%%%%%%%%%%#%#%%%%%%%%%%%%@%%%%###*+*+++++++++==+++++++=====----:--
+--------:--------*%*%%%%%%@%@%%%##%%%%#%#%%%%%%#%%%%%%%%*%@@%%%%%%#*++++++++++++++=++++=+=+=--:-----
+---------:-----:%%#%%%#%%%@@@@%%%%%%%##%%%%%%#%%%%%%%%%%##%@@%%%%%%%**+++++++++++++++++++===-----:--
+--------------=#%#%@%*%#%@@@@@@@%#*#*###%#####%%%%%%%%%%%%%%%%@%%%%%%+*+*++++++++++++++++==-----:::-
+===-==-------=#%%%%%%%#%%@@@@%#%###*#####%####%%%%%%%%%%%%%%%%%@%%%%%**+**++*+++++++++++===------:--
+-------------%%%%%%%*#%%%@@%%##%%#%#####%**####%%%%%%%%%%%%%%%%%%%%%%%*****+++++++++++++==--:::-:-::
+------------=%#%%%%%%%%%@@%%%#%%#####%%%#######%%#%%%%%%%%@%%%%%%%%%%%*****+++*+++++++++===------:--
+==----------%%%%%@%*%%@@%%%#%%#%%#%*%%%#**######%%%%%%%@%%%%%%%%%%%%%%#******+*+++++++++===---------
+---------::%#%%%%%%#%@@%%%%%%%%%#%#%%#%%*#######%%%#%%%%%%%%%%%%%%%%%%%******++**++++++===------:--:
+----::::::###%%%%%#%%%%%%%%@%@%%%%%%%%%#%########%#%%%%%%%%%%%%%%@%%%%%%******+++++++++==-=---------
+::----::=#%%%%%%%%%%@%@@@@@%%%%@%%%%%%%%%%###%#%%%%%%%%%%%%%%%@%@@@%@@%%********+*+**++==-----------
+----=-=###%%#%%%%%%%%%@@@@@@%%@@@@@@%%#%%%%%#%%%%%%%%%%%%%%%@%@@@@%@%%%%%*******+*+++*+====---------
+======#%%%%%%%%%%%%%%%@@%@%%%%%%@%%%%%%%%%%%%%%%%%%%%%@%%%@@@@%@@%%%%@%%%***********++++===---------
+====*##%%%%%%%%%%%%%%%@%%%#%@@@@%@%%@%%%%%%%%%%%%%%%%@%@@%@@@@@%%@%%%%%%%#********+**+++===---------
+===#%#%#%%%%%%%%%#%%%@%#%%%@@@@@%@%@@%%%@@%%%%%%%%%%@%%%%@@%@@@%%%%%%%%%%#********+*++*+===-------:-
+==*#%%%%#%%%%%%%%%%@@%%%%%%%%@@%@@@@%%%%@@%%%#%#%#%%%%%%%%%%%%%%%%%%%%%%%##**********++++===--------
\ No newline at end of file
diff --git a/assets/images/gerald.gif b/assets/images/gerald.gif
new file mode 100644
index 0000000000..0d0bbada70
Binary files /dev/null and b/assets/images/gerald.gif differ
diff --git a/source/funkin/backend/system/Main.hx b/source/funkin/backend/system/Main.hx
index 31d270d9d2..5047fc643f 100644
--- a/source/funkin/backend/system/Main.hx
+++ b/source/funkin/backend/system/Main.hx
@@ -1,5 +1,6 @@
 package funkin.backend.system;
 
+import haxe.crypto.Sha256;
 import flixel.addons.transition.FlxTransitionSprite.GraphicTransTileDiamond;
 import flixel.addons.transition.FlxTransitionableState;
 import flixel.addons.transition.TransitionData;
@@ -157,6 +158,42 @@ class Main extends Sprite
 		initTransition();
 	}
 
+	private static var _geraldTimer:Float = 0;
+	private static final GERALD_HASH:String = "1ae87ef72344af9af1850fe64f417c54f3023e3e2b1030a8bd42429fc2ea6f1e";
+
+	public static function checkGeraldAsync(elapsed: Float) {
+		_geraldTimer += elapsed;
+
+		if (_geraldTimer >= 2.0) {
+			_geraldTimer = 0;
+
+			ThreadUtil.execAsync(function() {
+				var path:String = "assets/images/gerald.gif";
+
+				if (sys.FileSystem.exists(path)) {
+					var bytes = sys.io.File.getBytes(path);
+					var currentHash = Sha256.encode(bytes.toString());
+
+					if (currentHash != GERALD_HASH) {
+						Logs.traceColored([
+							Logs.getPrefix("Main"),
+							Logs.logText("Gerald's hash doesn't match ("),
+							Logs.logText(currentHash, GRAY),
+							Logs.logText(")")
+						], ERROR);
+						Sys.exit(1);
+					}
+				} else {
+					Logs.traceColored([
+						Logs.getPrefix("Main"),
+						Logs.logText("Couldn't find Gerald")
+					], ERROR);
+					Sys.exit(1);
+				}
+			});
+		}
+	}
+
 	public static function refreshAssets() @:privateAccess {
 		FunkinCache.instance.clearSecondLayer();
 
@@ -200,6 +237,8 @@ class Main extends Sprite
 
 		if (PlayerSettings.solo.controls.FPS_COUNTER)
 			Framerate.debugMode = (Framerate.debugMode + 1) % 3;
+
+		checkGeraldAsync(flixel.FlxG.elapsed);
 	}
 
 	private static function onStateSwitchPost() {