Simple sidearm. Clip can hold ten bullets, and is the only method available for damaging monsters. Can be aimed straight, up, or down to hit a creature in the chest for normal damage, in the head for maximum damage, or in the legs to push them back for the least amount of damage.
Note: This is the only firearm "You" will use, claiming that the other guns at the gun store are too loud, too large or too small. Killing monsters also reduces your sanity. Running out of bullets will result in The Lone Survivor, "You" losing his mind and fainting, (Possibly due to panicing and despair, claiming that he will not last longer.) where he will wake up in his apartment, with more bullets.