The Simpsons: Bart vs. the Space Mutants is a 1991 platform video game based on the animated television series The Simpsons. It was originally developed by Imagineering and published by Acclaim Entertainment for the Nintendo Entertainment System, and was later released for the Amiga, Amstrad CPC, Atari ST, Commodore 64, and ZX Spectrum by Ocean Software, and in 1992 for the Sega Genesis, Master System, and Game Gear; all ports were developed by Arc Developments.