The comic was later adapted into a video game for both the Nintendo Entertainment System and Game Boy in 1993 by Konami. The games feature Zen fighting an alien villain known as Lord Contaminous, who is keen on harming the Earth's ecological environment. The music for the NES game was composed by Kôzô Nakamura, Junichiro Kaneda, Yuichi Sakakura, Ayako Nishigaki and Tomoya Tomita and has been played on the Swedish radio-channel P3's programme Syntax Error.
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