Mass Mayhem Zombie Apocalypse

In this high action, high violence zombie survival game, use the keyboard to move around the sidescrolling arena and blast the heads off zombies. If you survive, the money you earn will be based on the number of zombies killed, the precision with which you killed them, item usage, and number of waves survived. After earning money, you have a change to buy upgrades for all your equipment so that you can kill more zombies faster.