As an ultimate killing master, fight & kill all the enemy forces running throughout Metropolis city & nearby empty villages using sharp shurikens & lethal ninja stars. Don't be a slow teenage turtle. You have to save the entire population from outside forces of mutants & monsters as a trained blood hunter. So take your light samurai sword & get ready to battle the most dangerous villains of Planet earth in this ninja fighting game. Little ninjas, you will face the dangerous enemies of extreme fighting style in this lethal fighting simulator game. Learn to fight legendary monsters & become the ultimate fighter with your samurai blade surviving the never-ending waves of alien enemy forces in this karate battlefield. Filled with kung fu masters & real ninja deadly fighters, be an angry shinobi, blood ninja & immortal tiger in this extreme fight of monster warriors. This superhero rpg fighting simulator is made for little ninja adventures who fight for glory of their extreme lord commanders till the last second.