Games like Project Unknown
If Project Unknown is your kind of game, the closest matches are Deepscape Inc, Dark Past and Phasmophobia — picked from the ranked list below. Reviewers single out its atmospheric, eerie and immersive. 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 Project Unknown: An online co-op horror game featuring unique playable characters and RPG mechanics. Exorcise ghosts using your special abilities and tools while surviving the supernatural onslaught
Players who liked Project Unknown also play
Steam players who put hours into Project Unknown 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.
Deepscape Inc
WHY THIS
Top pick for Project Unknown fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Project Unknown.
A 2 to 4 player co-op horror game. You wake up marked with an ID number you can't see on your own back. Only your fellow inmates can read it. Find each other, share your numbers, reach your validation rooms, and get out before whatever roams the halls finds you first.
Dark Past
WHY THIS
Second-strongest match for Project Unknown fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Project Unknown.
Dark Past is based on psychological horror by paranormal activity occurring during your investigations. Play solo or up to 4 players to try and solve the mystery of what entity is left behind.
Phasmophobia
WHY THIS
Shares an atmospheric mood with Project Unknown.
Third-strongest match for Project Unknown fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Project Unknown.
Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can.
The Backrooms - Nightmare Dimension
WHY THIS
Ranked #4 for Project Unknown fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Project Unknown.
The Backrooms - Nightmare Dimension is a Co-op online horror game with up to 4 players, where you and your friends take on the roles of soldiers who are part of the SCP Foundation with the mission to eliminate the mysterious entities found in the infamous place called "the Backrooms".
Grinnel
WHY THIS
Ranked #5 for Project Unknown fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Project Unknown.
If you stop, the light dies. If you turn, darkness takes over. As a patient trapped in Grinnel, escape this psychological horror nightmare with Dr. Esin. Use your visor in the atmospheric labyrinth and never look back; in this surreal thriller, your gaze is your worst enemy.
Moved mind
WHY THIS
Ranked #6 for Project Unknown fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Project Unknown.
Moved mind is a first person narrative psychological horror game, where you will be the subject of a psychological experiment where you will have to face your fears and differentiate reality from the symptoms of your illness.
Gluua
WHY THIS
Ranked #7 for Project Unknown fans by collaborative filtering across millions of Steam libraries. Shares Indie with Project Unknown.
first-person 1-4 multiplayer horror game. The game will allow players to take on the role of a spirit liberator who will be able to freely choose missions based on the difficulty and readiness they like or want to do. Players will encounter the supernatural and find the truth in that place.
Mantra
WHY THIS
Ranked #8 for Project Unknown fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Project Unknown.
Mantra is a multiplayer (1-4 player) and single-player psychological-horror game with high tension. Do whatever it takes to save your soul that has been possessed by an demonic spirit. If you don't, demon will imprison you in hell for eternity.
Cheaper alternatives
Games in the same vein priced at least 40% below Project Unknown at current Steam store prices.
POSTAL 2
WHY THIS
Priced ~86% under Project Unknown on Steam right now. Shares Action and Indie with Project Unknown.
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?
Buckshot Roulette
WHY THIS
Priced ~57% under Project Unknown on Steam right now. Shares Action and Indie with Project Unknown.
Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!
GRIS
WHY THIS
Priced ~46% under Project Unknown on Steam right now. Shares Indie and Adventure with Project Unknown.
Gris is a hopeful young girl lost in her own world, dealing with a painful experience in her life. Her journey through sorrow is manifested in her dress, which grants new abilities to better navigate her faded reality.
The Test
WHY THIS
Priced ~72% under Project Unknown on Steam right now. Shares Indie and Adventure with Project Unknown.
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 ~79% under Project Unknown on Steam right now. Shares Indie and Adventure with Project Unknown.
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 ~86% under Project Unknown on Steam right now. Shares Action and Adventure with Project Unknown.
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.
Crypt of the NecroDancer
WHY THIS
Priced ~57% under Project Unknown on Steam right now. Shares Action and Indie with Project Unknown.
Crypt of the NecroDancer is an award winning hardcore roguelike rhythm game. Move to the music and deliver beatdowns to the beat! Groove to the epic Danny Baranowsky soundtrack, or select songs from your own MP3 collection!
A Short Hike
WHY THIS
Priced ~43% under Project Unknown on Steam right now. Shares Indie and Adventure with Project Unknown.
Hike, climb, and soar through the peaceful mountainside landscapes of Hawk Peak Provincial Park as you make your way to the summit.
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 Project Unknown.
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.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Project Unknown.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
The Murder of Sonic the Hedgehog
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Project Unknown.
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 Action and Indie with Project Unknown.
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 Project Unknown.
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.
Counter-Strike:Global Offensive
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Project Unknown.
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.).
The Expendabros
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Project Unknown.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
Narrow it down
Head-to-head comparisons
Frequently asked about Project Unknown
- Does Project Unknown run on Steam Deck?
- Project Unknown is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
- How much does Project Unknown cost?
- Project Unknown is listed on Steam at 6.99 USD (current store price; Steam sales may reduce this temporarily).
- Does Project Unknown have multiplayer or co-op?
- Yes — Project Unknown supports multi-player play according to its Steam store listing (Multi-player, Online Co-op, Co-op).
- What games are most similar to Project Unknown?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Project Unknown are Deepscape Inc, Dark Past, Phasmophobia.
- Who developed Project Unknown?
- Project Unknown was developed by PsychoRavens and published by Nightmare Studios.
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 Project Unknown.
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