Play any type of Game at Y8.com. The biggest Game Collection to play free online. Flash, Unity 3D, Html5, Android, Java and Shockwave.
If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
You are in charge to defend the Earth from alien invaders. Think strategically and to the best you can to win this battle.
W,A,S,D / Arrow Keys - Move.
Spacebar - Shoot.
CTRL - Activate Special Weapons.