Toxin: Zombie Annihilation is a First-Person-Shooter for Android and iOS mobile set in the present day where a rogue military commander has unleashed a toxin on unwitting citizens. The toxin has the deadly power of turning ordinary people into mindless killing machines who are impervious to pain. You are Lt. John Paxton, one of the best the military has ever produced. You are armed with a Beretta, an M16 and unlimited grenades. Your mission is to make your way through endless waves of raging zombies and fight your way to saving humanity.