The Simpsons: Bart vs. the Space Mutants is the title of the first video game based on the animated television series The Simpsons. It was released in 1991 for the Nintendo Entertainment System, Sega Master System, Atari ST, Amiga, ZX Spectrum, Commodore 64, and Amstrad CPC, and in 1992 for Mega Drive/Genesis and Game Gear. It was published by Acclaim and Ocean Software, and developed by Imagineering and Arc Developments. In this platform game, the player controls Bart Simpson through five levels as he tries to ruin the aliens' plan to take over the world. Video game critics have given Bart vs. the Space Mutants mixed reviews, with criticism directed at the difficulty of the game, partly caused by restricted controls.