Tanka - the Balllistic Blaster

Five mutant alien outcasts have been recruited by the evil outlaw Kaos to destroy the galaxy... Half hideous alien, half deadly robot - these are the toughest enemies Cosmo has ever faced. For his final mission against Kaos' awesome metallicons, Cosmo must face Tanka. Will the young Earthling be able to defeat the Invader and save the galaxy?