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).
Control the moon to defend the Earth from incoming Asteroids, Satellites, and other Space Junk. Buy upgrades between waves to help you survive.
Use mouse to move. See also In-game instructions.