Parasites In Ruined City

After a nuclear explosion, the city was destroyed, though a small fraction of the citizens managed to hide underground. On the surface, all living things began to mutate and turned into horrible monsters. But the radiation is now reduced, and people began to rise to the surface. First, let the brave souls fight with their weapons to clear cities of monsters. You are one of the fighters. Slay monsters and give people hope for life under the sun.