Defend the earth for the survival of the human race and destroy the spacecraft
funny-games - Earth is under attack from the gruesome spore aliens. your ..
kongregate - You are the last line of defense a large cannon built on ..
kongregate - It’s year 2181 and the earth is getting attacked by ..
kongregate - The earth is under attack! defend it from asteroids and ..
mochimedia - Click the mouse cursor on any alien object to fire the ..
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