IMHO.

Games like Acatalepsy

If Acatalepsy is your kind of game, the closest matches are Simulacre, Mournight and This Side (Early Access Game) — 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 Acatalepsy: Welcome to Acatalepsy, a new take on the liminal space experience. Progress deeper into varying liminal spaces with your team. Complete various tasks to continue forward, dive deeper, and don't expect to survive for long. You aren't alone in these spaces; nowhere is safe.

2026IndieAdventureEarly AccessWindowsby Heavy_Tankr
Acatalepsy — Steam game cover

Players who liked Acatalepsy also play

Steam players who put hours into Acatalepsy 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. Simulacre

    WHY THIS

    Top pick for Acatalepsy fans by collaborative filtering across millions of Steam libraries. Shares Indie and Early Access with Acatalepsy.

    Simulacre is a cooperative horror game about exploration, survival, and distrust. You find yourself in strange places where each new level follows its own rules, changes familiar conditions, and forces the team to find a way forward.

    IndieEarly AccessSteam ↗
  2. Mournight

    WHY THIS

    Second-strongest match for Acatalepsy fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Acatalepsy.

    A terrifying 1–4 player co-op horror game set in a cursed mansion. Use flashlights, find clues, and survive the horrors within. Every decision matters. Can you escape before the curse claims you?

    2025ActionIndieAdventure6.99 USDSteam ↗
  3. This Side (Early Access Game)

    WHY THIS

    Third-strongest match for Acatalepsy fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Acatalepsy.

    Fight your natural fears and help your friend to find a way to escape this forgotten place. Set on an abandoned mine. This Side is a roguelike survival horror game that you will have a terrifying experience with a friend to find the way to freedom.

    2019ActionIndieAdventure9.99 USDSteam ↗
  4. Descent Into Darkness

    WHY THIS

    Ranked #4 for Acatalepsy fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Acatalepsy.

    In "Descent Into Darkness", you must take an elevator down into the depths of a mysterious underground complex, filled with dangers and secrets. Your goal is to find a way out—but with each level, the darkness grows, and the threats become more terrifying...

    2026IndieAdventureEarly Access4.99 USDSteam ↗
  5. Whisper Of The Curse

    WHY THIS

    Ranked #5 for Acatalepsy fans by collaborative filtering across millions of Steam libraries. Shares Indie and Early Access with Acatalepsy.

    "Whisper of the Curse" is a 4-player online co-op psychological horror game where you and your team will perform various rituals and spells to eliminate the curse and fend off cursed entities. At the same time, you'll need to avoid being hunted by these malevolent entities.

    2024IndieCasualEarly Access7.99 USDSteam ↗
  6. Devil of the Plague

    WHY THIS

    Ranked #6 for Acatalepsy fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Acatalepsy.

    A 1–4 player co-op horror game. Cleanse cursed lands, perform forbidden rituals, and survive a spreading plague. Fear is not scripted. It emerges from your choices, your mistakes, and your team.

    2026ActionStrategyIndie8.99 USDSteam ↗
  7. The Devourer: Hunted Souls

    WHY THIS

    Ranked #7 for Acatalepsy fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Acatalepsy.

    Play as a paranormal investigator in our hybrid between first person survival and psychological horror story game. Investigate a haunted forest with up to 5 players CO-OP, try to lift the curse, experience a tragic story and take decisions together. Will you survive or will you lose your soul?

    2023ActionIndieAdventure7.49 USDDeck PlayableSteam ↗
  8. The Backrooms Project

    WHY THIS

    Ranked #8 for Acatalepsy fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Acatalepsy.

    Scientists made a new discovery about the Backrooms. Noclipping out of bounds in normal reality was a myth for long, but now it can be real! Now they are looking for subjects to test it on civil people. There are already scientists inside, so you have nothing to worry about, they say. Or do you?

    2022ActionStrategyIndie9.99 USDSteam ↗

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. Shares Indie with Acatalepsy.

    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 Adventure with Acatalepsy.

    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 Indie with Acatalepsy.

    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 Indie and Adventure with Acatalepsy.

    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 Indie and Adventure with Acatalepsy.

    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.

    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. Shares Indie with Acatalepsy.

    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.

    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 Acatalepsy

Does Acatalepsy have multiplayer or co-op?
Yes — Acatalepsy supports multi-player play according to its Steam store listing (Multi-player, Online Co-op, Co-op).
What games are most similar to Acatalepsy?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Acatalepsy are Simulacre, Mournight, This Side (Early Access Game).
Who developed Acatalepsy?
Acatalepsy was developed by Heavy_Tankr.

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 Acatalepsy.

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