Defend the earth from incoming asteroids and comets. Shoot to destroy the asteroids before they hit earth. Collect all power-ups to have a chance to save earth. Do you think that you have good reflexes and you're going to save our earth from a total destruction? Play this challenging free online unity3d action shooting game here in Minigames.com to find out!
Enjoy playing Astro Buster!
Use your mouse to aim and shoot the asteroids.
Tap in the direction of the asteroid to destroy it.