Choose to battle against aliens, robots and zombies in order to save Earth or choose to be on the enemy side and fight humans for the destruction of planet Earth. Either case: Good luck!
Use the arrow keys or W A S D keys to move and Spacebar to jump.
Use the mouse to aim and shoot.
Selecting Weapons: 0-9 / Q,E / Enter, Shift
Pause: P / Ctrl
View Scores: Tab