IMHO.

Games like 孤岛海妖 The Sea-demon

If 孤岛海妖 The Sea-demon is your kind of game, the closest matches are Realization, The Chrono Jotter and 迷雾之夏-The Vigilant Villa — picked from the ranked list below. Reviewers single out its atmospheric, immersive and melancholic. 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 孤岛海妖 The Sea-demon: 一组侦探小队受章鱼岛主人之邀,对六年前的海妖悬案发起挑战。她们需要在二十四小时内完成调查,并各自提交一份答案。最后,出现了七种截然不同的解答……

2023IndieCasual8.99 USDDeck VerifiedWindowsby 章鱼罐头制作组
孤岛海妖 The Sea-demon — Steam game cover
Players highlight
Bubble dialog ui feels fresh and readableCg heavy presentation rewards fansEvidence collection feels interactive despite genreAtmosphericImmersiveMelancholic

Players who liked 孤岛海妖 The Sea-demon also play

Steam players who put hours into 孤岛海妖 The Sea-demon 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. Realization

    WHY THIS

    Top pick for 孤岛海妖 The Sea-demon fans by collaborative filtering across millions of Steam libraries. Shares Indie with 孤岛海妖 The Sea-demon.

    A self-staged arson at a sales center drags you into the murder case of a female sales agent. With both your career and life in shambles, you must find a way to clear your name. The path to the truth is fraught with danger. Can you rise from this abyss and reclaim the reality you once envisioned?

    2025IndieAdventureRPG9.99 USDSteam ↗
  2. The Chrono Jotter

    WHY THIS

    Shares an atmospheric mood with 孤岛海妖 The Sea-demon.

    Second-strongest match for 孤岛海妖 The Sea-demon fans by collaborative filtering across millions of Steam libraries. Shares Indie with 孤岛海妖 The Sea-demon.

    Rewind time to save your girlfriend in a twisted high school death game. A gripping yuri visual novel: Investigate brutal murders, unravel psychological horrors, and fight for a forbidden love that defies death itself.

    2021IndieAdventure4.19 USDSteam ↗
  3. 迷雾之夏-The Vigilant Villa

    WHY THIS

    Shares an atmospheric mood with 孤岛海妖 The Sea-demon.

    Third-strongest match for 孤岛海妖 The Sea-demon fans by collaborative filtering across millions of Steam libraries. Shares Indie and Casual with 孤岛海妖 The Sea-demon.

    The Vigilant Villa is a plots-oriented, texts-based AVG adventure game inheriting the classic “A locked room mystery" story mode. Where the game heads towards is completely decided by player’s own deductions and choices.

    2020IndieAdventureRPGDeck PlayableSteam ↗
  4. 精神病大王花 Flowering Abyss

    WHY THIS

    Ranked #4 for 孤岛海妖 The Sea-demon fans by collaborative filtering across millions of Steam libraries. Shares Indie with 孤岛海妖 The Sea-demon.

    话题作《精神病大王花》重制作品。 追求精神病少女们的恋爱游戏,你能活到最后吗?

    2022IndieAdventureRPG7.99 USDSteam ↗
  5. Flowers -Le volume sur printemps-

    WHY THIS

    Shares an atmospheric mood with 孤岛海妖 The Sea-demon.

    Ranked #5 for 孤岛海妖 The Sea-demon fans by collaborative filtering across millions of Steam libraries. Shares Casual with 孤岛海妖 The Sea-demon.

    Suoh Shirahane, a shy girl with a mysterious past, will begin her first year of high school at Saint Angraecum Academy, where she hopes to find a new beginning. She will navigate friendships and mysteries at her new school, and discovers that love can come in many forms.

    2016Casual11.99 USDDeck VerifiedSteam ↗
  6. Coffee flavor of love 咖啡甜恋

    WHY THIS

    Shares a whimsical mood with 孤岛海妖 The Sea-demon.

    Ranked #6 for 孤岛海妖 The Sea-demon fans by collaborative filtering across millions of Steam libraries. Shares Indie and Casual with 孤岛海妖 The Sea-demon.

    Sweet love begins in the coffee shop. Office romances of coffee shop employees. This is a visual novel game with two endings.

    2021IndieAdventureRPG3.99 USDDeck VerifiedSteam ↗
  7. 南栀 Unwavering love

    WHY THIS

    Shares character driven dialogue and an atmospheric mood with 孤岛海妖 The Sea-demon.

    Ranked #7 for 孤岛海妖 The Sea-demon fans by collaborative filtering across millions of Steam libraries. Shares Indie with 孤岛海妖 The Sea-demon.

    《南栀》是一款百合向视觉小说游戏,讲述了在前作(夜永 Eternal Love)剧情发生一年半之后,聆花女子学院中的少女们成长的故事。

    2024IndieAdventureSimulation8.99 USDSteam ↗
  8. 恋爱绮谭 不存在的真相

    WHY THIS

    Shares an atmospheric mood with 孤岛海妖 The Sea-demon.

    Ranked #8 for 孤岛海妖 The Sea-demon fans by collaborative filtering across millions of Steam libraries. Shares Casual with 孤岛海妖 The Sea-demon.

    《恋爱绮谭~不存在的真相~》是一款文字冒险游戏。 初到江城的顾唯,意外成为了一起社会新闻的主人公。凶险的都市中,他需要在混乱的舆论和虚假的情报中找到唯一的真相,也需要在两名各有千秋的少女间完成自我的抉择。秋去冬来,覆盖城市的厚厚积雪下,究竟掩藏着什么样的秘密......

    2022AdventureCasual9.09 USDDeck PlayableSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below 孤岛海妖 The Sea-demon at current Steam store prices.

  1. Garry's Mod

    WHY THIS

    Priced ~44% under 孤岛海妖 The Sea-demon on Steam right now. Shares Indie and Casual with 孤岛海妖 The Sea-demon.

    Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

    2006IndieSimulationCasual4.99 USDDeck PlayableSteam ↗
  2. Vampire Survivors

    WHY THIS

    Priced ~44% under 孤岛海妖 The Sea-demon on Steam right now. Shares Indie and Casual with 孤岛海妖 The Sea-demon.

    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 ↗
  3. Cookie Clicker

    WHY THIS

    Priced ~44% under 孤岛海妖 The Sea-demon on Steam right now. Shares Indie and Casual with 孤岛海妖 The Sea-demon.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSteam ↗
  4. WEBFISHING

    WHY THIS

    Priced ~44% under 孤岛海妖 The Sea-demon on Steam right now. Shares Indie and Casual with 孤岛海妖 The Sea-demon.

    WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  5. POSTAL 2

    WHY THIS

    Priced ~89% under 孤岛海妖 The Sea-demon on Steam right now. Shares Indie with 孤岛海妖 The Sea-demon.

    Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

    2012ActionIndieAdventure0.99 USDDeck VerifiedSteam ↗
  6. Buckshot Roulette

    WHY THIS

    Priced ~67% under 孤岛海妖 The Sea-demon on Steam right now. Shares Indie with 孤岛海妖 The Sea-demon.

    Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  7. Brotato

    WHY THIS

    Priced ~44% under 孤岛海妖 The Sea-demon on Steam right now. Shares Indie and Casual with 孤岛海妖 The Sea-demon.

    Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.

    2023ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  8. Your Only Move Is HUSTLE

    WHY THIS

    Priced ~44% under 孤岛海妖 The Sea-demon on Steam right now. Shares Indie with 孤岛海妖 The Sea-demon.

    Master your technique, execute flashy combos, and outsmart opponents across the world, frame-by-frame. Slow down the clock to fine-tune your fighting style in this innovative, turn-based combat simulator. Pulverize your friends and choreograph spectacular fight scenes. No training mode required.

    2023ActionStrategyIndie4.99 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. Shares Indie and Casual with 孤岛海妖 The Sea-demon.

    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.

    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. Helltaker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with 孤岛海妖 The Sea-demon.

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  4. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with 孤岛海妖 The Sea-demon.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  5. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with 孤岛海妖 The Sea-demon.

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

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

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with 孤岛海妖 The Sea-demon.

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

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

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with 孤岛海妖 The Sea-demon.

    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 ↗
  8. Our Life: Beginnings & Always

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with 孤岛海妖 The Sea-demon.

    A twenty-dollar bill, four summers, fifteen years, and a one of a kind life. Create an experience that’s all your own in this near-fully customizable visual novel where you grow from childhood to adulthood with the lonely boy next door.

    2020IndieFree To PlayCasualFreeSteam ↗

Frequently asked about 孤岛海妖 The Sea-demon

Is 孤岛海妖 The Sea-demon verified for Steam Deck?
Yes — 孤岛海妖 The Sea-demon is Steam Deck Verified, meaning Valve has confirmed it runs well on the Deck with full controller, text legibility, and default configuration support.
How much does 孤岛海妖 The Sea-demon cost?
孤岛海妖 The Sea-demon is listed on Steam at 8.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to 孤岛海妖 The Sea-demon?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside 孤岛海妖 The Sea-demon are Realization, The Chrono Jotter, 迷雾之夏-The Vigilant Villa.
Who developed 孤岛海妖 The Sea-demon?
孤岛海妖 The Sea-demon was developed by 章鱼罐头制作组.

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 孤岛海妖 The Sea-demon.

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