For several years, the confrontation between aliens and people lasts. Alien creatures were stronger and drove the inhabitants of the earth underground. But so far they cannot break the spirit of people. If they manage to destroy water supplies, then humanity will definitely come to an end. You and your squad of volunteers will protect the water towers from mutants and monsters from another planet. A decisive battle is expected tonight. You know for sure that you will be attacked, for sure the monsters are already somewhere nearby, they are just waiting for the right moment, be on the lookout in Strong Kills 4 all the time and do not let them fulfill their plan.
