Shane Reaction: Zombieland (Android) app for $0.99

IN SHANE REACTION, you must relive your last 40 days of survival before the walking dead convert you into one of their mindless horde. Face the zombie dash with your trusty weapons and robo defences. Upgrade your arsenal and level up Shane to unlock his hidden skills and unleash a bullet hell upon the living dead. This is the zombie game to end all zombies games.++