Description:
Our planet, Earth, is under attack and the only hope you, the lone gunman in a remote area defending a research facility. Waves of aliens are coming his way. The researchers are doing their best in supplying you with weapons, so hold on and hold on until they finish the ultimate weapon.

Instructions:
Ain: Mouse
Shoot: Left-click
Weapon: 0-9
Next Weapon: Q
Last Weapon: W
Artillery: A