IMHO.

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.

2024ActionEarly Access13.99 USDDeck PlayableWindowsby Serhat Akgul
Demonsomnia — Steam game cover
Players highlight
co-op-turns-tension-into-shared-panicdemon-types-require-unique-counterplayevidence-system-forces-deep-observationatmosphericmysterioustense

Players who liked Demonsomnia also play

Ranked by collaborative filtering across millions of Steam libraries plus content overlap on genres, tags, and developers.

  1. 1
    Dark Past — Steam game cover

    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.

    2022ActionIndieEarly Access5.99 USDSteam ↗
  2. 2
    We Are Alive — Steam game cover

    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.

    2024Indie4.99 USDSteam ↗
  3. 3
    Phasmophobia — Steam game cover

    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.

    2020ActionIndieEarly Access19.99 USDSteam ↗
  4. 4
    The Backrooms - Nightmare Dimension — Steam game cover

    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".

    2023ActionIndie4.99 USDSteam ↗
  5. 5
    Lost Lullabies: The Orphanage Chronicles — Steam game cover

    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.

    2025ActionIndieAdventure10.99 USDDeck PlayableSteam ↗
  6. 6
    Remnant Records — Steam game cover

    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.

    2024ActionIndie15.99 USDDeck PlayableSteam ↗
  7. 7
    This is a Ghost — Steam game cover

    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. 👻

    2024Simulation16.99 USDDeck PlayableSteam ↗
  8. 8
    DeathWatchers — Steam game cover

    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

    2024ActionIndieEarly Access5.99 USDDeck PlayableSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Demonsomnia at current Steam store prices.

  1. 1
    Dark Past — Steam game cover

    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.

    2022ActionIndieEarly Access5.99 USDSteam ↗
  2. 2
    We Are Alive — Steam game cover

    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.

    2024Indie4.99 USDSteam ↗
  3. 3
    The Backrooms - Nightmare Dimension — Steam game cover

    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".

    2023ActionIndie4.99 USDSteam ↗
  4. 4
    DeathWatchers — Steam game cover

    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

    2024ActionIndieEarly Access5.99 USDDeck PlayableSteam ↗

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.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.