Games like Flat 9
If Flat 9 is your kind of game, the closest matches are The Liminal Dimension, Cauldron Inn and One Last Clip — 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 Flat 9: A psychological horror set in a deserted apartment, where you're trapped in a relentless cycle. Armed with a strange device, you must find and report every anomaly to escape. Can you make it past Flat 9?
Players who liked Flat 9 also play
Steam players who put hours into Flat 9 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.
The Liminal Dimension
WHY THIS
Top pick for Flat 9 fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Flat 9.
You're trapped in an endless loop within a liminal dimension, where each loop leads to increasingly unsettling places. Will you find the way out of this psychological horror? The game offers a unique déjà vu experience that blurs the lines between reality and illusion.
Cauldron Inn
WHY THIS
Second-strongest match for Flat 9 fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Flat 9.
Trying to save yourselfe from something unknown but clearly malevolent, you hide in a mysterious inn. However, your temporary refuge turns out to be a trap, and now you must find a way to escape.
One Last Clip
WHY THIS
Third-strongest match for Flat 9 fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Flat 9.
You are locked inside a cinema. Your only way to escape is to follow the instructions of your task: Watch the same film clip repeatedly and search for flaws to break free. But this may sound easier than it is, every wrong decision or death will set you back. So be careful!
Platform 8
WHY THIS
Ranked #4 for Flat 9 fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Flat 9.
You are trapped on a train that runs forever. Keep an eye out for anomalies and find a way out.
Lonely Christmas
WHY THIS
Ranked #5 for Flat 9 fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Flat 9.
It’s a story about an 8-year-old boy Kevin who was left alone at home at Christmas. Protect your house from a crazy robber and wait for your parents. Can you handle with it? We’ll find out.
CRUELTY
WHY THIS
Ranked #6 for Flat 9 fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Flat 9.
"CRUELTY" is a Japanese-made splatter horror. You were in an accident and lost consciousness. The moment you wake up, you find yourself in a nightmare world, one that is not of this Earth. In an abattoir ruled by madness, horrific scenes unfold, and inescapable terror awaits you.
Clink
WHY THIS
Ranked #7 for Flat 9 fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Flat 9.
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?
Shift 87
WHY THIS
Ranked #8 for Flat 9 fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Flat 9.
Your task today: Memorize your environment and report any anomalies. Good luck with your shift! "Shift 87" is an observation horror game with subtle anomalies and unsettling occurrences.
Cheaper alternatives
Games in the same vein priced at least 40% below Flat 9 at current Steam store prices.
POSTAL 2
WHY THIS
Priced ~75% under Flat 9 on Steam right now. Shares Indie and Adventure with Flat 9.
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 Flat 9 on Steam right now. Shares Indie and Adventure with Flat 9.
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 Flat 9 on Steam right now. Shares Indie and Adventure with Flat 9.
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 Flat 9 on Steam right now. Shares Adventure with Flat 9.
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 Flat 9 on Steam right now. Shares Simulation with Flat 9.
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 Flat 9 on Steam right now. Shares Indie and Simulation with Flat 9.
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 Flat 9 on Steam right now. Shares Indie and Adventure with Flat 9.
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 Flat 9 on Steam right now. Shares Simulation with Flat 9.
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.
Doki Doki Literature Club!
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Flat 9.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
Life is Strange - Episode 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Flat 9.
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 Indie with Flat 9.
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 Flat 9.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
The Murder of Sonic the Hedgehog
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Flat 9.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
Indigo Park: Chapter 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Flat 9.
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.
Narrow it down
Head-to-head comparisons
Frequently asked about Flat 9
- How much does Flat 9 cost?
- Flat 9 is listed on Steam at 3.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to Flat 9?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Flat 9 are The Liminal Dimension, Cauldron Inn, One Last Clip.
- Who developed Flat 9?
- Flat 9 was developed by Alessandro Arcangeli.
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 Flat 9.
For library-aware picks tuned to your specific taste, sign in with Steam on the home page.