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Dangerous virus strains are spreading everywhere. You, a ninja master, have come to slice them out and protect people. PLAY NOW! Swipe by mouse or finger to defeat the viral hordes in this addictive arcade game. Defend against waves of viruses using your ninja skills! Collect power-ups and upgrade your slicing abilities for ultimate protection. Can you survive the onslaught and save the world? A fast-paced, casual experience for mobile gamers. ninja,simulation,slicing,arcade game,mobile game,html5,hypercasual,best games,casual game,game,action,protection,virus,survival