13 More Days in Hell Do you remember your last vacation to hell? Well, it was very limiting in that you could not move. In fact, all you could do was shoot zombies and demons while they ran towards you. This visit to hell will prove to be much more entertaining because you get to roam around in 3d DOOM type hallways and rooms still killing zombies and demons.
Instructions: WASD or Arrow keys to walk.
R or Space to reload weapon.
1-6 to select weapon.
Q and E or Mouse Wheel to switch weapons.
X to interact.
H to use health potion.
P to pause game.
Mouse to aim and fire your gun.