If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Defend your island against invasive forces of the army. With 6 amazing weapons to pickup and lots of spawning powerups you will be bale to give them some serious resistance!
W,A, S, D / Arrow Keys - Move.
Mouse - Aim / Shoot.
1-5 / Spacebar - Select Weapons.