Earth Defender

Earth Defender casual single player game space style, main goal protect base meteorite attacks! User give 4 types passive skills, improving can achieve better results. Fun set new records! Suitable people good reaction speed marksmanship.

When starting a level, user has towers
sub meteor shower. Player's goal protect buildings cannon fire.
Make a "tap" to shoot at the target.
Projectile cannot damage meteorite, only explosion.
There will be special attacks is game.
Hold out as long as possible, earn points upgrading.