Games like Demonsomnia
Below are 12 hand-picked alternatives to Demonsomnia for fans of action, early access, ranked by imho.run's hybrid recommender. Each pick is scored on three signals: collaborative filtering across millions of Steam libraries (which players who logged hours in Demonsomnia also play), content overlap on genres, categories, and storefront tags, and review-mined "vibe" embeddings that catch tonal similarity even when the genre label differs. Sections below cover closest matches, reviewer cross-mentions, cheaper alternatives. No login required — these picks work anchor-only.
About Demonsomnia: Demonsomnia is a CO-OP multiplayer bodycam horror game focused on the impact of nuclear reactions. Radiation has spread everywhere, so put on your gas mask. Your goal is to activate the nuclear reactor device and escape without being caught by mutants.

Players who liked Demonsomnia also play
Ranked by collaborative filtering across millions of Steam libraries plus content overlap on genres, tags, and developers.
- 1

Dark Past
Top pick for Demonsomnia fans by collaborative filtering across millions of Steam libraries. Shares Action and Early Access with Demonsomnia.
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.
- 2

We Are Alive
Second-strongest match for Demonsomnia fans by collaborative filtering across millions of Steam libraries.
We Are Alive is a Co-Op horror game, that can be played with at least 1 and up to 4 players. You are a detective and your mission is to investigate the old psychiatric hospital and find out the truth. Your standard equipment is a flashlight and a gun.
- 3

Phasmophobia
Third-strongest match for Demonsomnia fans by collaborative filtering across millions of Steam libraries. Shares Action and Early Access with Demonsomnia.
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.
- 4

The Backrooms - Nightmare Dimension
Ranked #4 for Demonsomnia fans by collaborative filtering across millions of Steam libraries. Shares Action with Demonsomnia.
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".
- 5

Lost Lullabies: The Orphanage Chronicles
Ranked #5 for Demonsomnia fans by collaborative filtering across millions of Steam libraries. Shares Action with Demonsomnia.
"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.
- 6

Remnant Records
Ranked #6 for Demonsomnia fans by collaborative filtering across millions of Steam libraries. Shares Action with Demonsomnia.
Remnant Records is a horror investigation game for 1 to 4 players. Explore places haunted by the dead, survive elaborate and unique ghosts and find out what happened to them through thousands of generated stories.
- 7

This is a Ghost
Ranked #7 for Demonsomnia fans by collaborative filtering across millions of Steam libraries.
This is a Ghost is a ghost-hunting psychological horror game. Using your equipment, track down paranormal activity and gather evidence to identify the entity, then banish it from this world! Solo and online co-op play for up to 4 players. 👻
- 8

DeathWatchers
Ranked #8 for Demonsomnia fans by collaborative filtering across millions of Steam libraries. Shares Action and Early Access with Demonsomnia.
Use the specialized equipment at your disposal to locate & log as many paranormal events as possible. Decipher the ingredients needed for your ritual and try to exorcise any demons within. Any incorrect ingredients and you may never leave! 1-4 Players
Cheaper alternatives
Games in the same vein priced at least 40% below Demonsomnia at current Steam store prices.
- 1

Dark Past
Priced ~57% under Demonsomnia on Steam right now. Shares Action and Early Access with Demonsomnia.
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.
- 2

We Are Alive
Priced ~64% under Demonsomnia on Steam right now.
We Are Alive is a Co-Op horror game, that can be played with at least 1 and up to 4 players. You are a detective and your mission is to investigate the old psychiatric hospital and find out the truth. Your standard equipment is a flashlight and a gun.
- 3

The Backrooms - Nightmare Dimension
Priced ~64% under Demonsomnia on Steam right now. Shares Action with Demonsomnia.
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".
- 4

DeathWatchers
Priced ~57% under Demonsomnia on Steam right now. Shares Action and Early Access with Demonsomnia.
Use the specialized equipment at your disposal to locate & log as many paranormal events as possible. Decipher the ingredients needed for your ritual and try to exorcise any demons within. Any incorrect ingredients and you may never leave! 1-4 Players
Narrow it down
Head-to-head comparisons
Frequently asked about Demonsomnia
- Does Demonsomnia run on Steam Deck?
- Demonsomnia 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 Demonsomnia cost?
- Demonsomnia is listed on Steam at 13.99 USD (current store price; Steam sales may reduce this temporarily).
- Does Demonsomnia have multiplayer or co-op?
- Yes — Demonsomnia supports multi-player play according to its Steam store listing (Multi-player, Online Co-op, Co-op).
- What games are most similar to Demonsomnia?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Demonsomnia are Dark Past, We Are Alive, Phasmophobia.
- Who developed Demonsomnia?
- Demonsomnia was developed by Serhat Akgul and published by Demonsomnia Team.
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 Demonsomnia.
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