On a secret military base in the laboratory for the production of chemical weapons, a leak occurred. Many people servants on the base died. Part mutated into various kinds of monsters. You in the game Monster Defense will have to infiltrate the base and destroy all the mutants. Having landed near it you penetrate the territory of the base and start your movement. Orienting on the radar, move to the side of the main building where the laboratory is located. There you can lay the explosives and undermine the entire territory of the base. You will be constantly attacked by monsters and you will have to shoot at them from your weapons. Keep track of the character's standard of living and use first-aid kits on time.