Single-player games like 15th Prison
Below are 11 single-player Steam games similar to 15th Prison, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like 15th Prison page.
Ranked picks
- 1
Clink
Single-player alternative to 15th Prison — playable solo, no multiplayer required. Shares Indie and Adventure with 15th Prison.
You are a lonely woman, secluded in a house with your cat... and the secrets of the past. What hides within your mind — illness, or something otherworldly? Nightmares and reality intertwine… everything is so foggy. Do you have the courage to remember what happened?
- 2
The Strange Lights
Single-player alternative to 15th Prison — playable solo, no multiplayer required. Shares Indie and Adventure with 15th Prison.
You have arrived in a forest where people are rumored to disappear and strange things happen... Locals often see bright flashes and hear strange sounds...
- 3
April 24th
Single-player alternative to 15th Prison — playable solo, no multiplayer required. Shares Indie and Adventure with 15th Prison.
The main character is an experienced journalist who always strives to uncover the truth. He manages to gain access to the house, which is guarded by the police.
- 4
Apartment No 129
Single-player alternative to 15th Prison — playable solo, no multiplayer required. Shares Action and Indie with 15th Prison.
Emir, who has an interest in mysterious events, steps alone into the abandoned apartment known as "Apartment No 129" to trace the trail of a paranormal event that occurred in 2009 and shook the country. However, he will find himself in an unexpected confrontation within this horror apartment.
- 5
iBLiS
Single-player alternative to 15th Prison — playable solo, no multiplayer required. Shares Action and Indie with 15th Prison.
Demon is a first-person psychological horror game. How much can a game affect your real life? Enjoy a realistic home environment and terrifying moments of being immersed in a real-life story.
- 6
Exit From
Single-player alternative to 15th Prison — playable solo, no multiplayer required. Shares Action and Indie with 15th Prison.
Exit From - is a first-person horror-stealth game with quest and procedural generation elements where you have to get out of the old Soviet house, which changes every new game.
- 7
Abandoned Souls
Single-player alternative to 15th Prison — playable solo, no multiplayer required. Shares Action and Indie with 15th Prison.
Abandoned Souls is a horror game, shown through a GoPro lens. You play as a vlogger who specializes in urban exploration.
- 8
Absolute Fear -AOONI- / 最恐 -青鬼-
Single-player alternative to 15th Prison — playable solo, no multiplayer required. Shares Action and Indie with 15th Prison.
20 years after the birth of the legendary horror game "AOONI"... A completely new first-person, 3D horror stealth action "Absolute Fear -AOONI-" is now available! Players take on the role of a younger sister searching for her older sister in a mysterious mansion where AOONI roam.
- 9
15th Floor
Single-player alternative to 15th Prison — playable solo, no multiplayer required. Shares Action and Indie with 15th Prison.
You are stuck in an apartment building with endless floors full of fear. Observe your surroundings carefully to climb to the 15th floor and reach the roof of the building. Do not ignore any abnormalities. Your carelessness may result in death.
- 10
The Well: Episode 1
Single-player alternative to 15th Prison — playable solo, no multiplayer required. Shares Action and Indie with 15th Prison.
The Well is a single-player, psychological horror game with a deep story and different puzzles. Hide, escape and make the right choices as you solve the terrifying mystery of the wells created in World War II. There is no exit from the wells in this village!
- 11
Weapon Master Simulator
Single-player alternative to 15th Prison — playable solo, no multiplayer required. Shares Action and Simulation with 15th Prison.
Weapon Master Simulator is a 3D simulation game where you craft and repair weapons, and manage the sales of all your equipment. Customize your weapons and test them on the shooting range before selling them to customers! Build your own weapons empire!