Heres an updated version of a gameboy homebrew release, heres the release details:

Dumblin Dungeon is a Gameboy multiplayer game, 2+ players. You control a Goblin that must activate buttons in a given order, and in a given timing. If you succeed, tell the next pattern to the next player, and give him the Gameboy. The first pattern is A B C D, walk on the pressure plate with your character to activate it.

via https://pdroms.de/gameboy/dumblin-du...-01-28-gb-game