Unlimited health. All upgrades are free.
Your task in this zombie killing game is to survive .. if you can! Battle a never ending onslaught of mindlessly endless zombie hordes, locked in a single arena with no way out. The Zombies are pretty fast, so you need to be on your toes and keep moving and shooting.
Use WASD or ARROW KEYS to move around. Use YOUR MOUSE to aim and click LEFT MOUSE BUTTON to shoot. Press "R" KEY or SPACEBAR to reload. Use 0-9 NUMBER KEYS to switch weapons. Good luck!