Zen: Intergalactic Ninja

IF YOU LIKE FIGHTING DIRTY, YOU'RE GONNA DIG ZEN! The greatest environmental disaster in human history is about to hit your backyard. But you're not backing down, because you're Zen, a cold-blooded Ninja warrior who's come to Earth to clean the clock of Lord Contaminous and his crud-loving cronies. But wasting these slimeballs won't be easy. Because they'll spew forth the most hazardous graphics...