The earth is in danger and you have to build its defense.
Asteroids and comets were sent to destroy the earth.
You have to build a defense to avoid the complete destruction of earth.
Use the towers and traps to defend the earth and the human race.
This game is a tower defense game. You have to make a path for the comets and build towers to destroy them.
Each wave you will discover new comets and asteroids. You have to destroy them before them get to earth.
You don`t have lives, if the earth is hit even one time then you will lose the game.
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