Chess, but almost anything is allowed. Remix tree: https://scratch.mit.edu/projects/914807523/remixtree/ However, there are some notes: 1: It is recommended that you use Scratch Addons and enable Sprite folders for convenience. 2:No wiping the entire board. (a few exceptions) 3:Say remixing when you are remixing. 4:Try not to split the remix tree into multiple paths. 5:You can add ANY new mechanics. (with exceptions) 6:Entities can be teams that aren't black or white. 7:You are allowed to remix more than once. Crossover Shop items: -Basic Spaceship from the Astral Clicker series (@JusticeDreemurr) -2048 tile from @JereTheJuggler 's 2048 engine Events: -White moves their Empress to E2 -Black opens the Crossover shop, and buys the Basic Spaceship -White moves a bishop to B5, removing the armor of Black's pawn there.