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.
The dwarf mines are under attack and you need to stop the intruders. Strategically place your soldiers and upgrade them in time as each level enemies become stronger.
Buy weapons, armors, troops and towers. Bring everything that you have to keep secure your base or to destroy your enemy. An insane and violent action shooting game!
