IMHO.

Games like [DE:]Fanastasis

If [DE:]Fanastasis is your kind of game, the closest matches are 虚灯のセレスティア, The Bible and The Witness — picked from the ranked list below. Reviewers single out its discovery outweighs flaws, atmospheric and challenging. 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 [DE:]Fanastasis: 「発見」に満ちた、マップ探索メインの長編RPG。無数の隠し通路、隠し扉が存在する荒廃した王国。 死者の残留思念を覗いて手掛かりを掴み、隠された宝箱のアイテムで探索範囲を広げよう。 各地で得た断片的な情報はいずれ繋がり合い、自らの記憶のみならず、隠された「真実」を暴くかもしれない。

2024RPG19.99 USDDeck PlayableWindowsby Mosamosa
[DE:]Fanastasis — Steam game cover
Players highlight
Ash lake style exploration where the whole game hides secretsDeep memory and lore fragments to collectDiscovery outweighs flawsAtmosphericChallengingContemplative

Players who liked [DE:]Fanastasis also play

Steam players who put hours into [DE:]Fanastasis 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. 虚灯のセレスティア

    WHY THIS

    Top pick for [DE:]Fanastasis fans by collaborative filtering across millions of Steam libraries. Shares RPG with [DE:]Fanastasis.

    虚灯のセレスティアは雪と闇に覆われた世界を彷徨う探索RPGです。厳しい寒さと深い暗闇を突き進むのには敵を倒して灯火を集める必要があります。自分は何者で、親身に助けてくれる白い修道女は何者なのか。散りばめられた記憶を辿り、その結末を見届けましょう。

    2024IndieRPG9.99 USDSteam ↗
  2. The Bible

    WHY THIS

    Shares an atmospheric mood with [DE:]Fanastasis.

    Second-strongest match for [DE:]Fanastasis fans by collaborative filtering across millions of Steam libraries.

    A digital recreation of The Bible in Kinetic Novel form! Read through and save passages in any order with an original soundtrack, or listen through the greatest story ever told in audiobook form. Featuring an extensive Trivia section to find out how well you really know the stories of Old and New.

    2022Indie4.99 USDSteam ↗
  3. The Witness

    WHY THIS

    Shares puzzle solving and an atmospheric mood with [DE:]Fanastasis.

    Third-strongest match for [DE:]Fanastasis fans by collaborative filtering across millions of Steam libraries.

    You wake up, alone, on a strange island full of puzzles that will challenge and surprise you.

    2016IndieAdventure39.99 USDDeck PlayableSteam ↗
  4. Manifold Garden

    WHY THIS

    Shares an atmospheric mood with [DE:]Fanastasis.

    Ranked #4 for [DE:]Fanastasis fans by collaborative filtering across millions of Steam libraries.

    Rediscover gravity and explore an Escher-esque world of impossible architecture. Witness infinity in first-person and master its rules to solve physics-defying puzzles. Cultivate a garden to open new paths forward, where an eternal expanse awaits.

    2020IndieAdventure19.99 USDDeck VerifiedSteam ↗
  5. Chernobylite Complete Edition

    WHY THIS

    Ranked #5 for [DE:]Fanastasis fans by collaborative filtering across millions of Steam libraries.

    Chernobylite is a science-fiction survival horror RPG. Set in the hyper-realistic, 3D-scanned wasteland of Chernobyl’s Exclusion Zone, explore a non-linear storyline in your search to uncover the truth of your tortured past.

    2021ActionIndieAdventure29.99 USDDeck PlayableSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below [DE:]Fanastasis at current Steam store prices.

  1. Terraria

    WHY THIS

    Priced ~50% under [DE:]Fanastasis on Steam right now. Shares RPG with [DE:]Fanastasis.

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

    2011ActionIndieAdventure9.99 USDDeck VerifiedSteam ↗
  2. Fallout: New Vegas

    WHY THIS

    Priced ~50% under [DE:]Fanastasis on Steam right now. Shares RPG with [DE:]Fanastasis.

    Welcome to Vegas. New Vegas. Enjoy your stay!

    2010ActionRPG9.99 USDDeck PlayableSteam ↗
  3. Undertale

    WHY THIS

    Priced ~50% under [DE:]Fanastasis on Steam right now. Shares RPG with [DE:]Fanastasis.

    UNDERTALE! The RPG game where you don't have to destroy anyone.

    2015IndieRPG9.99 USDDeck PlayableSteam ↗
  4. Vampire Survivors

    WHY THIS

    Priced ~75% under [DE:]Fanastasis on Steam right now. Shares RPG with [DE:]Fanastasis.

    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 ↗
  5. Noita

    WHY THIS

    Priced ~60% under [DE:]Fanastasis on Steam right now.

    Noita is a magical action roguelite set in a world where every pixel is physically simulated. Fight, explore, melt, burn, freeze and evaporate your way through the procedurally generated world using spells you've created yourself.

    2020ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗
  6. Persona 4 Golden

    WHY THIS

    Priced ~50% under [DE:]Fanastasis on Steam right now. Shares RPG with [DE:]Fanastasis.

    A coming of age story that sets the protagonist and his friends on a journey kickstarted by a chain of serial murders.

    2020RPG9.99 USDDeck VerifiedSteam ↗
  7. DREDGE

    WHY THIS

    Priced ~46% under [DE:]Fanastasis on Steam right now. Shares RPG with [DE:]Fanastasis.

    DREDGE is a single-player fishing adventure with a sinister undercurrent. Sell your catch, upgrade your boat, and dredge the depths for long-buried secrets. Explore a mysterious archipelago and discover why some things are best left forgotten.

    2023AdventureRPG10.79 USDDeck VerifiedSteam ↗
  8. Brotato

    WHY THIS

    Priced ~75% under [DE:]Fanastasis on Steam right now. Shares RPG with [DE:]Fanastasis.

    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 ↗

Free alternatives

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

  1. Sheepy: A Short Adventure

    WHY THIS

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

    A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.

    2024IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  2. Grimm's Hollow

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares RPG with [DE:]Fanastasis.

    A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.

    2019IndieAdventureRPGFreeDeck PlayableSteam ↗
  3. Eternal Senia

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares RPG with [DE:]Fanastasis.

    Thoughts and expectations ARPG

    2015ActionIndieRPGFreeDeck PlayableSteam ↗
  4. Dagon: by H. P. Lovecraft

    WHY THIS

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

    Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.

    2021IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗
  5. Paper Lily - Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares RPG with [DE:]Fanastasis.

    Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.

    2024IndieAdventureRPGFreeDeck VerifiedSteam ↗
  6. Z.A.T.O. // I Love the World and Everything In It

    WHY THIS

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

    USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.

    2025IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗
  7. Control, I'm Not Coming Back

    WHY THIS

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

    Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.

    2026IndieAdventureFree To PlayFreeSteam ↗
  8. Project Kat - Paper Lily Prologue

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares RPG with [DE:]Fanastasis.

    Project Kat is a short, unconventional RPG horror game in which there is always another way. Solve puzzles, make friends (or not), and guide Kat as she attempts to uncover the mystery behind a strange golden letter.

    2021IndieAdventureRPGFreeDeck VerifiedSteam ↗

Frequently asked about [DE:]Fanastasis

Does [DE:]Fanastasis run on Steam Deck?
[DE:]Fanastasis 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 [DE:]Fanastasis cost?
[DE:]Fanastasis is listed on Steam at 19.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to [DE:]Fanastasis?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside [DE:]Fanastasis are 虚灯のセレスティア, The Bible, The Witness.
Who developed [DE:]Fanastasis?
[DE:]Fanastasis was developed by Mosamosa.

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 [DE:]Fanastasis.

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