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).
The alien waves are never-ending & constantly growing
Use the mouse to aim & click to shoot. Press R to reload. Press 1 and 2 to switch between guns. Press Q to melee.