Midnight Mutants (1990) (Atari) ROM for Atari 7800 ProSystem (A7800). Midnight Mutants (1990) (Atari) game is available to play online and only onRoms Games. Midnight Mutants (1990) (Atari) ROM for Atari 7800 ProSystem requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.