Overview
Zen: Intergalactic Ninja is a side-scrolling action game based on the comic book superhero of the same name. Zen, true to his name, is a ninja from the distant planet of Baltoon who fights for the highest bidder. In this adventure, he is stopping the Lord Contaminous from destroying the Earth's environment, fighting through his lieutenants through a series of stages. The first four stages can be tackled in any order, though the final stage only becomes available after the previous four are complete.
Zen can attack enemies with his energy staff. He has a basic attack, or can charge up his staff for a stronger attack. Zen also can perform a slide move to attack enemies and go through low areas, and can perform a kick attack in the air.
Game Boy Version
The Game Boy version consisted of 5 stages - four themed stages where Zen takes on Contaminous's lieutenants - Oil Slick, Sulfura, Smogger and Garbage Man - and a final boss stage where he fights Contaminous.