Defend against the robo-bugs that are trying to take over your base. Unlock and upgrade new areas and special weapons. Collect enough exp points to get more powerful weapons.
Destroy the enemy base while defending yours. You can build turrets to defend your base and units to attack the enemy's. The twist of the game is that you can evolve as well as unlock new units and defense means.
The world is under attack from the most gruesome monsters hell has to offer! Build & upgrade your towers, equip them with gems for different effects and try to keep the world safe.