In the Bio Army, a gang of bio-monsters trying to attack on your fort and the main objective is to use arsenal of upgradeable mercenaries and paramilitary buildings. You need to use howitzers, rifles, machine guns and more to confuse & poison the attacker before they overcome your fort. Each & every mercenary has its own skills, shooting range and firing speed. Increase your abilities by upgrading them. Defeat against all your enemies using all 15 maps with 5 battle modes such as normal, sudden death, road runners, endless battle and thick hide. The game offers 7 kinds of upgradeable mercenaries, 3 types of paramilitary buildings, hi-tech tools and 20 kinds of bio-monsters.
