Games like 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

Top 12 games similar to Project Unknown
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Demonologist
Demonologist is a Co-Op horror game that can be played with at least 1 and up to 4 players. Your goal is to identify the type of evil spirit in cursed places and exorcise it using your equipment, either alone or with your team.
ActionAdventureIndie - 2

Phasmophobia
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.
ActionEarly AccessIndie - 3

Dark Past
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.
ActionEarly AccessIndie - 4

The Backrooms - Nightmare Dimension
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".
ActionIndie - 5

Gluua
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.
IndieSimulation - 6

Moved mind
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.
ActionAdventureIndie - 7

Agonize
Once a mad scientist's lab, now an abandoned manor haunted by miscreations. Work as a 1-4 player team in this online co-op, psychological horror game and discover what lurks within. Find a cure before it's too late...
ActionAdventureCasual - 8

Mantra
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.
ActionAdventureIndie - 9

Lost Lullabies: The Orphanage Chronicles
"Lost Lullabies - The Orphanage Chronicles" is a Co-Op horror game set in 1980, inspired by the real stories of an orphanage ruined by a fire in 1960 Lowell. Playable with 1-4 players, the goal is to identify and expel malevolent spirits alone or with your team.
ActionAdventureIndie - 10

SEVERANCE
Severance is a 1-5 player paranormal investigation game… with a twist. Use tools and equipment to identify the correct ghost type while a dangerous, violent entity hunts you down. The twist? YOU can become the ghost. Choose Ghost AI, or an asymmetrical mode where a player takes the Ghost role.
ActionAdventureCasual - 11

iBLiS
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.
ActionAdventureIndie - 12

LockYourDoor
Challenging co-op horror (1-4 players). You are looking for your missing friend Darvin. Do whatever it takes to stay alive. Only the patient and the clever will succeed.
ActionAdventure
About imho.run
imho.run is a Steam game recommender that combines collaborative filtering (ALS / iALS / EASE / LightGCN) with content-based scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted gameplay vibes from review text. The lists you see here are generated in seed mode — anchored on Project Unknown— so they answer the question “what plays like this?” rather than “what fits my library?”
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