You, the player, is trying to survive in a apocalyptic world that just suffered nuclear war, and the mutants are hunting you down! You ran to the roof of the building, there’s no way to hide. Your goal is to level up yourself by collecting the purifying crystals and shoot down the mutants. Look out for the speed boost, they can help you run faster!
To gun down or to hide, that is a question. Are you GunnaHide?
