IMHO.

Games like Cthulhu: The Cosmic Abyss

If Cthulhu: The Cosmic Abyss is your kind of game, the closest matches are The Alighieri Circle: Dante's Bloodline, System Says Normal and Strange Horticulture — picked from the ranked list below. Reviewers single out its atmospheric, contemplative and dark. 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.

Get personalized picks →

About Cthulhu: The Cosmic Abyss: A mining station in the Pacific abyss is no longer responding. As an investigator of the occult, unravel the mysteries of the deep. Test your wits and sanity in this lovecraftian thriller.

2026Adventure39.99 USDWindowsby Big Bad Wolf
Cthulhu: The Cosmic Abyss — Steam game cover
Players highlight
Challenging puzzles that reward careful observation and reading cluesCorruption mechanic that influences character abilities and multiple endingsDeduction mechanics reward thorough investigationAtmosphericContemplativeDark

Players who liked Cthulhu: The Cosmic Abyss also play

Steam players who put hours into Cthulhu: The Cosmic Abyss 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. The Alighieri Circle: Dante's Bloodline

    WHY THIS

    Top pick for Cthulhu: The Cosmic Abyss fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Cthulhu: The Cosmic Abyss.

    The world knows the Divine Comedy as a poem. For your family, it is a prison. As Gabriele Alighieri, you inherit a duty: reseal the gates of Hell. Burdened by fate, you descend into a psychological nightmare where the only escape is to uncover the dark secrets of your ancestors.

    2026AdventureSteam ↗
  2. System Says Normal

    WHY THIS

    Second-strongest match for Cthulhu: The Cosmic Abyss fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Cthulhu: The Cosmic Abyss.

    You were hired to watch. Not to ask questions. Night shift. Corporate building. Cameras, reports, anomalies. Your predecessor left no final report. Now you're going to find out why. Please proceed.

    2026IndieAdventureSteam ↗
  3. Strange Horticulture

    WHY THIS

    Shares hint system and an atmospheric mood with Cthulhu: The Cosmic Abyss.

    Third-strongest match for Cthulhu: The Cosmic Abyss fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Cthulhu: The Cosmic Abyss.

    Strange Horticulture is an occult puzzle game in which you play as the proprietor of a local plant store. Find and identify new plants, pet your cat, speak to a coven, or join a cult. Use your collection of powerful plants to influence the story and unravel Undermere’s dark mysteries.

    2022IndieAdventureSimulation15.99 USDDeck VerifiedSteam ↗
  4. Strange Antiquities

    WHY THIS

    Shares puzzle solving and atmospheric with Cthulhu: The Cosmic Abyss.

    Ranked #4 for Cthulhu: The Cosmic Abyss fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Cthulhu: The Cosmic Abyss.

    Become the custodian of a store dealing in occult antiquities. Explore the quaint and gloomy town of Undermere, where strange goings-on and dark mysteries abound. Find and identify arcane artefacts, use your collection to aid the townsfolk with their unusual problems — and remember to pet your cat!

    2025IndieAdventureSimulation17.99 USDDeck VerifiedSteam ↗
  5. The Signifier Director's Cut

    WHY THIS

    Shares puzzle solving and an atmospheric mood with Cthulhu: The Cosmic Abyss.

    Ranked #5 for Cthulhu: The Cosmic Abyss fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Cthulhu: The Cosmic Abyss.

    This story-driven adventure follows a mystery of death and despair from reality into the surreal realms of objective memories and subjective experiences. Search the mind, solve puzzles, and unravel the dark truth in this psychological thriller.

    2020IndieAdventure19.99 USDDeck PlayableSteam ↗
  6. Saturnalia

    WHY THIS

    Shares an atmospheric mood with Cthulhu: The Cosmic Abyss.

    Ranked #6 for Cthulhu: The Cosmic Abyss fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Cthulhu: The Cosmic Abyss.

    A Single-Player Survival Horror Adventure: play as a cast of characters exploring an isolated village haunted by an ancient ritual—but beware, its labyrinthine roads will change each time you lose all your characters.

    2023Adventure29.99 USDDeck VerifiedSteam ↗
  7. Call of Cthulhu®

    WHY THIS

    Shares sanity system and an atmospheric mood with Cthulhu: The Cosmic Abyss.

    Ranked #7 for Cthulhu: The Cosmic Abyss fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Cthulhu: The Cosmic Abyss.

    1924. Private Investigator Pierce is sent to look into the tragic death of the Hawkins family. Plunge into a world of creeping madness and cosmic horror. Cryptic clues, shadowy figures, and pure terror bar your way as you fight to retain your sanity and solve an otherworldly mystery.

    2018AdventureRPG19.99 USDDeck VerifiedSteam ↗
  8. Dahlia View

    WHY THIS

    Shares an atmospheric mood with Cthulhu: The Cosmic Abyss.

    Ranked #8 for Cthulhu: The Cosmic Abyss fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Cthulhu: The Cosmic Abyss.

    A child is missing. The police are failing. And you're a retired detective with a bit too much time on your hands. Time to throw out the rules & do whatever it takes to bring the child home. From the developers of I AM RIPPER, The Occupation & Ether One.

    2021IndieAdventure24.99 USDDeck VerifiedSteam ↗

Reviewers mention these as similar to Cthulhu: The Cosmic Abyss

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. The Shore

    WHY THIS

    Shares puzzle solving and an atmospheric mood with Cthulhu: The Cosmic Abyss.

    Reviewers of Cthulhu: The Cosmic Abyss cross-mention this title as a similar play. Shares Adventure with Cthulhu: The Cosmic Abyss.

    THE SHORE is a first person story driven game with an atmospheric environment and narrations, You will encounter mysterious creatures and unravel the secrets behind them. Strong elements of horror, struggle to survive an unknown world that will make you question your own sanity.

    2021ActionIndieAdventure11.99 USDDeck VerifiedSteam ↗
  2. Sherlock Holmes The Awakened

    WHY THIS

    Reviewers of Cthulhu: The Cosmic Abyss cross-mention this title as a similar play. Shares Adventure with Cthulhu: The Cosmic Abyss.

    Experience a nerve-racking Lovecraftian adventure, rebuilt from the ground up with modern graphics and gameplay. Become Sherlock Holmes, and find yourself at the heart of the terrifying Cthulhu Mythos as you investigate a series of mysterious disappearances in Europe and the US.

    2023Adventure39.99 USDDeck PlayableSteam ↗
  3. Call of Cthulhu®: Dark Corners of the Earth

    WHY THIS

    Reviewers of Cthulhu: The Cosmic Abyss cross-mention this title as a similar play.

    Call of Cthulhu: Dark Corners of the Earth is a first-person horror game that combines intense action and adventure elements.

    20094.99 USDSteam ↗
  4. ROUTINE

    WHY THIS

    Shares puzzle solving and an atmospheric mood with Cthulhu: The Cosmic Abyss.

    Reviewers of Cthulhu: The Cosmic Abyss cross-mention this title as a similar play. Shares Adventure with Cthulhu: The Cosmic Abyss.

    ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.

    2025ActionIndieAdventure24.99 USDDeck PlayableSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Cthulhu: The Cosmic Abyss at current Steam store prices.

  1. Terraria

    WHY THIS

    Priced ~75% under Cthulhu: The Cosmic Abyss on Steam right now. Shares Adventure with Cthulhu: The Cosmic Abyss.

    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 ~75% under Cthulhu: The Cosmic Abyss on Steam right now. Shares Adventure with Cthulhu: The Cosmic Abyss.

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

    2023ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  3. Hollow Knight

    WHY THIS

    Priced ~63% under Cthulhu: The Cosmic Abyss on Steam right now. Shares Adventure with Cthulhu: The Cosmic Abyss.

    Forge your own path in Hollow Knight! An epic action adventure through a vast ruined kingdom of insects and heroes. Explore twisting caverns, battle tainted creatures and befriend bizarre bugs, all in a classic, hand-drawn 2D style.

    2017ActionIndieAdventure14.99 USDDeck VerifiedSteam ↗
  4. The Forest

    WHY THIS

    Priced ~50% under Cthulhu: The Cosmic Abyss on Steam right now. Shares Adventure with Cthulhu: The Cosmic Abyss.

    As the lone survivor of a passenger jet crash, you find yourself in a mysterious forest battling to stay alive against a society of cannibalistic mutants. Build, explore, survive in this terrifying first person survival horror simulator.

    2018ActionIndieAdventure19.99 USDDeck PlayableSteam ↗
  5. Portal 2

    WHY THIS

    Priced ~75% under Cthulhu: The Cosmic Abyss on Steam right now. Shares Adventure with Cthulhu: The Cosmic Abyss.

    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. PEAK

    WHY THIS

    Priced ~80% under Cthulhu: The Cosmic Abyss on Steam right now. Shares Adventure with Cthulhu: The Cosmic Abyss.

    PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?

    2025ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗
  7. Don't Starve Together

    WHY THIS

    Priced ~63% under Cthulhu: The Cosmic Abyss on Steam right now. Shares Adventure with Cthulhu: The Cosmic Abyss.

    Fight, Farm, Build and Explore Together in the standalone multiplayer expansion to the uncompromising wilderness survival game, Don't Starve.

    2016ActionStrategyIndie14.99 USDDeck VerifiedSteam ↗
  8. Inscryption

    WHY THIS

    Priced ~80% under Cthulhu: The Cosmic Abyss on Steam right now. Shares Adventure with Cthulhu: The Cosmic Abyss.

    Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...

    2021StrategyIndieAdventure7.99 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 Adventure with Cthulhu: The Cosmic Abyss.

    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.

    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 Cthulhu: The Cosmic Abyss.

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  5. The Murder of Sonic the Hedgehog

    WHY THIS

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

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  6. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Cthulhu: The Cosmic Abyss.

    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 ↗
  7. 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 ↗
  8. 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 ↗

Plays great on Steam Deck

Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

  1. Strange Horticulture

    WHY THIS

    Shares hint system and an atmospheric mood with Cthulhu: The Cosmic Abyss.

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure with Cthulhu: The Cosmic Abyss.

    Strange Horticulture is an occult puzzle game in which you play as the proprietor of a local plant store. Find and identify new plants, pet your cat, speak to a coven, or join a cult. Use your collection of powerful plants to influence the story and unravel Undermere’s dark mysteries.

    2022IndieAdventureSimulation15.99 USDDeck VerifiedSteam ↗
  2. Strange Antiquities

    WHY THIS

    Shares puzzle solving and atmospheric with Cthulhu: The Cosmic Abyss.

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure with Cthulhu: The Cosmic Abyss.

    Become the custodian of a store dealing in occult antiquities. Explore the quaint and gloomy town of Undermere, where strange goings-on and dark mysteries abound. Find and identify arcane artefacts, use your collection to aid the townsfolk with their unusual problems — and remember to pet your cat!

    2025IndieAdventureSimulation17.99 USDDeck VerifiedSteam ↗
  3. Saturnalia

    WHY THIS

    Shares an atmospheric mood with Cthulhu: The Cosmic Abyss.

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure with Cthulhu: The Cosmic Abyss.

    A Single-Player Survival Horror Adventure: play as a cast of characters exploring an isolated village haunted by an ancient ritual—but beware, its labyrinthine roads will change each time you lose all your characters.

    2023Adventure29.99 USDDeck VerifiedSteam ↗
  4. Call of Cthulhu®

    WHY THIS

    Shares sanity system and an atmospheric mood with Cthulhu: The Cosmic Abyss.

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure with Cthulhu: The Cosmic Abyss.

    1924. Private Investigator Pierce is sent to look into the tragic death of the Hawkins family. Plunge into a world of creeping madness and cosmic horror. Cryptic clues, shadowy figures, and pure terror bar your way as you fight to retain your sanity and solve an otherworldly mystery.

    2018AdventureRPG19.99 USDDeck VerifiedSteam ↗
  5. Dahlia View

    WHY THIS

    Shares an atmospheric mood with Cthulhu: The Cosmic Abyss.

    Deck Verified — runs on Steam Deck out of the box. Shares Adventure with Cthulhu: The Cosmic Abyss.

    A child is missing. The police are failing. And you're a retired detective with a bit too much time on your hands. Time to throw out the rules & do whatever it takes to bring the child home. From the developers of I AM RIPPER, The Occupation & Ether One.

    2021IndieAdventure24.99 USDDeck VerifiedSteam ↗

Frequently asked about Cthulhu: The Cosmic Abyss

Does Cthulhu: The Cosmic Abyss work on Steam Deck?
Cthulhu: The Cosmic Abyss is currently rated Unsupported on Steam Deck. It may not launch or may have significant issues that block normal play.
How much does Cthulhu: The Cosmic Abyss cost?
Cthulhu: The Cosmic Abyss is listed on Steam at 39.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Cthulhu: The Cosmic Abyss?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Cthulhu: The Cosmic Abyss are The Alighieri Circle: Dante's Bloodline, System Says Normal, Strange Horticulture.
Who developed Cthulhu: The Cosmic Abyss?
Cthulhu: The Cosmic Abyss was developed by Big Bad Wolf and published by Nacon.

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 Cthulhu: The Cosmic Abyss.

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