IMHO.

Games like DO NOT OPEN

If DO NOT OPEN is your kind of game, the closest matches are Maid of Sker, Outlast 2 and Remothered: Tormented Fathers — 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.

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About DO NOT OPEN: DO NOT OPEN is a terrifying short and paced first-person escape-room experience, based on randomness in puzzle combinations, and classic survival-horror mechanics. Each game will contain different rooms and puzzle combination, being different to solve.

2022ActionAdventure24.99 USDWindowsby NOX NOCTIS
DO NOT OPEN — Steam game cover

Players who liked DO NOT OPEN also play

Steam players who put hours into DO NOT OPEN 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.

  1. Maid of Sker

    WHY THIS

    Top pick for DO NOT OPEN fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with DO NOT OPEN.

    Maid of Sker is a first-person survival horror, set in a remote hotel with a gory and macabre history from Welsh folklore. Brave the nightmares of the Quiet Ones. Do not panic…don’t even breathe!

    2020ActionIndieAdventure4.74 USDDeck PlayableSteam ↗
  2. Outlast 2

    WHY THIS

    Second-strongest match for DO NOT OPEN fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with DO NOT OPEN.

    Outlast 2 introduces you to Sullivan Knoth and his followers, who left our wicked world behind to give birth to Temple Gate, a town, deep in the wilderness and hidden from civilization. Knoth and his flock are preparing for the tribulations of the end of times and you’re right in the thick of it.

    2017ActionIndieAdventure19.99 USDDeck PlayableSteam ↗
  3. Remothered: Tormented Fathers

    WHY THIS

    Third-strongest match for DO NOT OPEN fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with DO NOT OPEN.

    Remothered: Tormented Fathers is the pure and realistic survival horror videogame

    2018ActionIndieAdventure19.99 USDSteam ↗
  4. Resident Evil 7 Biohazard

    WHY THIS

    Ranked #4 for DO NOT OPEN fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with DO NOT OPEN.

    Fear and isolation seep through the walls of an abandoned southern farmhouse. "7" marks a new beginning for survival horror with the “Isolated View” of the visceral new first-person perspective.

    2017ActionAdventure19.99 USDDeck VerifiedSteam ↗
  5. The Beast Inside

    WHY THIS

    Ranked #5 for DO NOT OPEN fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with DO NOT OPEN.

    The Beast Inside is a unique, gripping twist on thriller and survival horror. Immerse in the story of long-buried secrets, personal tragedies, and madness. Play as two protagonists bounded by dark heritage. Combat the enemies, solve riddles and experience real terror in the 3D-scanned environment.

    2019ActionIndieAdventure24.99 USDDeck PlayableSteam ↗
  6. Dread X Collection

    WHY THIS

    Ranked #6 for DO NOT OPEN fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with DO NOT OPEN.

    10 Tales of Terror from 10 Twisted Minds. Made in only 7 Sleepless Nights. The Dread X Collection is a series of small games created by some of the most talented indie devs around, all with the same mission: create the P.T. for the horror project of their dreams.

    2020ActionIndieAdventure6.99 USDSteam ↗
  7. Amnesia: The Dark Descent

    WHY THIS

    Ranked #7 for DO NOT OPEN fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with DO NOT OPEN.

    Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.

    2010ActionIndieAdventure19.99 USDDeck PlayableSteam ↗
  8. Agony

    WHY THIS

    Ranked #8 for DO NOT OPEN fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with DO NOT OPEN.

    Agony is a first-person, survival horror set in hell. You will begin your journey as a tormented soul within the depths of hell without any memories about your past. The special ability to control people on your path, and possess demons, gives you the measures to survive.

    2018ActionIndieAdventure14.99 USDDeck PlayableSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below DO NOT OPEN at current Steam store prices.

  1. Terraria

    WHY THIS

    Priced ~60% under DO NOT OPEN on Steam right now. Shares Action and Adventure with DO NOT OPEN.

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSteam ↗
  2. Lethal Company

    WHY THIS

    Priced ~60% under DO NOT OPEN on Steam right now. Shares Action and Adventure with DO NOT OPEN.

    A co-op horror about scavenging at abandoned moons to sell scrap to the Company.

    2023ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  3. Left 4 Dead 2

    WHY THIS

    Priced ~60% under DO NOT OPEN on Steam right now. Shares Action with DO NOT OPEN.

    Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

    2009Action9.99 USDDeck VerifiedSteam ↗
  4. People Playground

    WHY THIS

    Priced ~60% under DO NOT OPEN on Steam right now. Shares Action with DO NOT OPEN.

    Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space.

    2019ActionIndieSimulation9.99 USDDeck PlayableSteam ↗
  5. Portal 2

    WHY THIS

    Priced ~60% under DO NOT OPEN on Steam right now. Shares Action and Adventure with DO NOT OPEN.

    The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

    2011ActionAdventure9.99 USDDeck VerifiedSteam ↗
  6. Fallout: New Vegas

    WHY THIS

    Priced ~60% under DO NOT OPEN on Steam right now. Shares Action with DO NOT OPEN.

    Welcome to Vegas. New Vegas. Enjoy your stay!

    2010ActionRPG9.99 USDDeck PlayableSteam ↗
  7. Vampire Survivors

    WHY THIS

    Priced ~80% under DO NOT OPEN on Steam right now. Shares Action with DO NOT OPEN.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  8. R.E.P.O.

    WHY THIS

    Priced ~72% under DO NOT OPEN on Steam right now. Shares Action with DO NOT OPEN.

    An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.

    2025ActionEarly Access6.99 USDDeck PlayableSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Doki Doki Literature Club!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    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.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with DO NOT OPEN.

    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.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with DO NOT OPEN.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  4. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with DO NOT OPEN.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  5. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with DO NOT OPEN.

    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.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with DO NOT OPEN.

    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.

    2024ActionFreeDeck PlayableSteam ↗
  7. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗
  8. Counter-Strike:Global Offensive

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with DO NOT OPEN.

    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.).

    2012ActionFree To PlayFreeDeck PlayableSteam ↗

Frequently asked about DO NOT OPEN

How much does DO NOT OPEN cost?
DO NOT OPEN is listed on Steam at 24.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to DO NOT OPEN?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside DO NOT OPEN are Maid of Sker, Outlast 2, Remothered: Tormented Fathers.
Who developed DO NOT OPEN?
DO NOT OPEN was developed by NOX NOCTIS and published by UNREALITY S.L..

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 DO NOT OPEN.

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

24 Games Like DO NOT OPEN — Ranked for 2026 · imho.run