Menu: Z to start, then Z to select a player X to go back in the menu In Game: Press and hold the space bar to accelerate Arrows keys to steer Use A to activate a power-up
Credit to Nintendo for Mario Kart, and all of its assets that this fan-made Mario Kart game uses. Like my 3D maze (https://scratch.mit.edu/projects/554970213), this game uses pen-based ray casting to render the 3D game world, but (of course) its's a racetrack and not a maze.
