The game has a fascinating checkpoint. Added new weapons, new rivals, and more moves and tactics. If you want to test your skills and strategies, you can play difficult levels.
If you just for fun, then choose easy or moderate difficulty it The use of a variety of weapons and terrain, free choice turret, against the enemy's attack.
Choose the right weapon type and location to make sure your defense is more effective. Air raids and defensive outbreaks can destroy enemies in a short time and ensure that you are not tired during the fighting process. Each turret can also choose three priority attack modes.