It was originally written for the Atari 400/800 and was later ported to the Commodore 64, the Nintendo Entertainment System, and the IBM PCjr Japanese versions also exist for the PC-8801, the Sharp X1, and MSX 2 computers.
Изначально она была написана для Atari 400/800, а позже была выпущена для Commodore 64, Nintendo Entertainment System и IBM PCjr.