Upgrade weapons and destroy the enemy, to prevent the attack from the enemy jeeps, tanks and helicopters.The game simple click on the screen to move up and down the base of the turret, the turret will automatically attack the enemy, to destroy the enemies of the galaxy violations!Skill system:? Orbit Ion Cannon to destroy multiple enemies at once paralyzed enemy ? electromagnetic waves ? guardian of the base of the light field ? bomb explosion throughout the battlefield.Game Features: 1, cocos2d engine development, the fluency of the game, the explosion, the trajectory of the bullet is more realistic???Coordinated music, gorgeous explosion effect, exactly like the 3D interface upgrade shop system, let you more conductor has a powerful weapon to combat the impulse???4, the reward system of checkpoints, task, your rank stop!