The Penitentiary Riddles is a puzzle found within Overlook Penitentiary in Silent Hill: Homecoming. It is located in the Otherworld prison in Silent Hill. It must be solved in order to proceed. The puzzle consists of a series of riddles on a pillar in the middle of the room, inside of which there appears to be a giant, organic creature. There are three dials and a hole located on the pillar's sides. All three dials must be properly positioned, with the correct choice facing upwards, before reaching into the hole. If the player has made an incorrect choice, Alex Shepherd will be damaged by the beast and will immediately be confronted by a Needler.