You were accused of killing 0.1% of the population in the world, and they put you in a rubber room! Inside, you see your bed, some rats, a pick lock and a gun, a- Wait, what!? A pick lock and a gun!? It’s your lucky day! You unlock your door and take the pistol with you. You’re on the top floor of all, aka 1,000th story. As you will go down the floors, there will be more and more scientists and guards! Can you kill your way through the facility without dying?