Games like 15th Prison
If 15th Prison is your kind of game, the closest matches are 15th Floor, Wardwell House and Anomalous Railroad Crossing — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About 15th Prison: 15th Prison is a horror escape game. There is no exit from this prison. But examine your surroundings carefully and do not ignore any abnormalities. Take the envelope in each block and move on. Your carelessness may result in death.

Players who liked 15th Prison also play
Steam players who put hours into 15th Prison also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
15th Floor
WHY THIS
Top pick for 15th Prison fans by collaborative filtering across millions of Steam libraries. 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.
Wardwell House
WHY THIS
Second-strongest match for 15th Prison fans by collaborative filtering across millions of Steam libraries. Shares Adventure and Simulation with 15th Prison.
A storm washed you upon the shore of a mysterious island with a horrific past. A terrifying first-person atmospheric horror game.
Anomalous Railroad Crossing
WHY THIS
Third-strongest match for 15th Prison fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with 15th Prison.
"Anomalous Railroad Crossing" is an escape game where you search for strange happenings, set at Japan's most famous railroad crossing. - You suddenly realize that you're standing on a road leading to a railroad crossing with an ocean view. Escape from a world invaded by strange happenings!
Welcome to the Chop House
WHY THIS
Ranked #4 for 15th Prison fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with 15th Prison.
Sneak, create distractions, use parkour and solve puzzles to escape this First-Person survival horror slaughterhouse. Trapped in a factory farm for humans you must survive being hunted by your captors.
迷离 Blurred
WHY THIS
Ranked #5 for 15th Prison fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with 15th Prison.
迷离是一款氛围感与沉浸感极强的第一人称恐怖解密射击游戏,几年前,一家人误入了一个神秘村落,几年后,这家人相继自杀。你受人委托前去调查这桩诡异迷离的凶案,在凶案地点,这里的煞气压的你喘不过气,并在深入的探索中发现了一个恐怖的真相。
Clink
WHY THIS
Ranked #6 for 15th Prison fans by collaborative filtering across millions of Steam libraries. 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?
Apartment No 129
WHY THIS
Ranked #7 for 15th Prison fans by collaborative filtering across millions of Steam libraries. 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.
April 24th
WHY THIS
Ranked #8 for 15th Prison fans by collaborative filtering across millions of Steam libraries. 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.
Cheaper alternatives
Games in the same vein priced at least 40% below 15th Prison at current Steam store prices.
POSTAL 2
WHY THIS
Priced ~75% under 15th Prison on Steam right now. Shares Action and Indie with 15th Prison.
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
The Test
WHY THIS
Priced ~50% under 15th Prison on Steam right now. Shares Indie and Adventure with 15th Prison.
You will answer a series of questions that will reveal truths from deep within. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and if you do, are you sure you want the answers you seek?
Milk inside a bag of milk inside a bag of milk
WHY THIS
Priced ~63% under 15th Prison on Steam right now. Shares Indie and Adventure with 15th Prison.
A short story about what sort of challenges everyday little things can be. Help the girl buy milk, be the first not to disappoint her.
Blood and Bacon
WHY THIS
Priced ~75% under 15th Prison on Steam right now. Shares Action and Adventure with 15th Prison.
This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.
Placid Plastic Duck Simulator
WHY THIS
Priced ~50% under 15th Prison on Steam right now. Shares Simulation with 15th Prison.
The ultimate high-tech rubber duck simulation, Placid Plastic Duck brings you dangerous levels of relaxation. With chill music, dreamy 3D graphics, and many different happy ducks, your only priority is to float around. Zero Ducks given.
shapez
WHY THIS
Priced ~75% under 15th Prison on Steam right now. Shares Indie and Simulation with 15th Prison.
shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!
The Test: Hypothesis Rising
WHY THIS
Priced ~50% under 15th Prison on Steam right now. Shares Indie and Adventure with 15th Prison.
The second chapter in The Test trilogy. Answer a series of in-depth questions to reveal hidden truths about yourself and unlock secrets to discover how your life can change drastically with just a few, slight modifications. ...But are you sure you want the answers you seek?
The Test: Final Revelation
WHY THIS
Priced ~50% under 15th Prison on Steam right now. Shares Simulation with 15th Prison.
The third chapter in The Test Trilogy. Answer a series of in-depth questions to reveal hidden truths about yourself and unlock secrets to discover who you really are as a person. The Final Revelation is upon us... but are you sure you TRULY want the answers you seek?
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Life is Strange - Episode 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with 15th Prison.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with 15th Prison.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
ENA: Dream BBQ
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with 15th Prison.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
Indigo Park: Chapter 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with 15th Prison.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
STRAFTAT
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with 15th Prison.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
The Looker
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with 15th Prison.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
Counter-Strike:Global Offensive
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with 15th Prison.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
missed messages.
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with 15th Prison.
‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.
Narrow it down
Head-to-head comparisons
Frequently asked about 15th Prison
- How much does 15th Prison cost?
- 15th Prison is listed on Steam at 3.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to 15th Prison?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside 15th Prison are 15th Floor, Wardwell House, Anomalous Railroad Crossing.
- Who developed 15th Prison?
- 15th Prison was developed by Zettanium.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on 15th Prison.
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