Mass Mayhem 5 Expansion
Survive the zombie apocalypse by shooting as many zombies as you can. Earn money by shooting as many zombies with accurate precision, surviving waves and collecting supplies. Collecting supplies also replenishes ammo. Use the money collected to buy upgrades in the upgrades menu such as stronger weapons, such as bombs, guns, lasers, chainsaws, and flamethrowers. Build up your mech robot by upgrading its weapons as well. You have the option of purchasing missiles, rockets, jetpacks, lasers etc. for your robot.