IMHO.

Games like Doorways: Old Prototype

If Doorways: Old Prototype is your kind of game, the closest matches are Horizon's Mirage, Lorn's Lure and Toy Voyage — 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.

Get personalized picks →

About Doorways: Old Prototype: An immersive and twisted adventure created before the official development of the Doorways saga

2016ActionIndieAdventureFree To PlayFree to playWindows · macOS · Linuxby Saibot Studios
Doorways: Old Prototype — Steam game cover

Players who liked Doorways: Old Prototype also play

Steam players who put hours into Doorways: Old Prototype 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. Horizon's Mirage

    WHY THIS

    Top pick for Doorways: Old Prototype fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Doorways: Old Prototype.

    Horizon's Mirage is an atmospheric first-person platformer set in a deserted cityscape where all kinds of anomalies and dangers await. Explore and search for ability points to unlock powers like slow motion, jetpack, air dash and more.

    2024ActionIndieAdventure2.99 USDSteam ↗
  2. Lorn's Lure

    WHY THIS

    Second-strongest match for Doorways: Old Prototype fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Doorways: Old Prototype.

    An android is led through a vast structure by a glitch in his visual system. Lorn's Lure is an atmospheric narrative first-person platformer with novel climb-anything mechanics and modernized retro 3D graphics.

    2024ActionIndieAdventure14.99 USDDeck VerifiedSteam ↗
  3. Toy Voyage

    WHY THIS

    Third-strongest match for Doorways: Old Prototype fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Doorways: Old Prototype.

    Begin an adventure in the world of humans! This is the story of you, a toy bear, escaping from your room and begin an adventure to find your new owner. Climb on chairs, cross over beds, run through the human world, and overcome various obstacles to reach your destination.

    2025ActionIndieAdventure5.99 USDSteam ↗
  4. Mr. Scientist

    WHY THIS

    Ranked #4 for Doorways: Old Prototype fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Doorways: Old Prototype.

    Mr. Scientist is a single player horror game. You are a hostage of a mad scientist and now you need to escape from his house.

    2024ActionStrategyIndie2.99 USDSteam ↗
  5. Port of Call

    WHY THIS

    Ranked #5 for Doorways: Old Prototype fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Doorways: Old Prototype.

    Imagine waking up on a small dock with no recollection of who you are or how you got there. The first person you find is a grumpy, old man who enlists you to work on his ferry boat which seems to have materialized behind you.

    2015IndieAdventureFreeSteam ↗
  6. Valley

    WHY THIS

    Ranked #6 for Doorways: Old Prototype fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Doorways: Old Prototype.

    Explore the vast and beautiful world of Valley using the power of the L.E.A.F. suit: a fierce exoskeleton that grants exceptional speed and agility along with the phenomenal ability to manipulate the life and death of all living things.

    2016ActionIndieAdventure14.99 USDSteam ↗
  7. The Alpha Device

    WHY THIS

    Ranked #7 for Doorways: Old Prototype fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Doorways: Old Prototype.

    Beyond space, beyond reason... beyond humanity. Discover a gripping tale of a dystopian future narrated by David Hewlett, star of the Academy Award-winning The Shape Of Water.

    2018ActionIndieAdventureFreeSteam ↗
  8. The Crow's Eye

    WHY THIS

    Ranked #8 for Doorways: Old Prototype fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Doorways: Old Prototype.

    In an abandoned medical university, test your intellectual might as you unravel a 20-year-old mystery in this depraved first-person puzzle adventure, doing what it takes to escape your fate as a macabre scientist's human experiment. The ends justify the means in The Crow’s Eye.

    2017IndieAdventure9.99 USDSteam ↗

More from Saibot Studios

Other recommendable Steam games by Saibot Studios, ranked by review count so the studio's hits land first.

  1. Hellbound

    WHY THIS

    Another title from Saibot Studios, the studio behind Doorways: Old Prototype. Shares Action and Indie with Doorways: Old Prototype.

    Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio!

    2020ActionIndie7.49 USDDeck VerifiedSteam ↗
  2. Doorways: Prelude

    WHY THIS

    Another title from Saibot Studios, the studio behind Doorways: Old Prototype. Shares Action and Indie with Doorways: Old Prototype.

    Doorways is an immersive horror adventure, featuring a complex story and deep atmosphere.

    2013ActionIndieAdventure9.99 USDSteam ↗
  3. Doorways: The Underworld

    WHY THIS

    Another title from Saibot Studios, the studio behind Doorways: Old Prototype. Shares Action and Indie with Doorways: Old Prototype.

    Doorways: The Underworld is an immersive horror adventure, featuring a complex story and deep atmosphere.

    2014ActionIndieAdventure9.99 USDSteam ↗
  4. Doorways: Holy Mountains of Flesh

    WHY THIS

    Another title from Saibot Studios, the studio behind Doorways: Old Prototype. Shares Action and Indie with Doorways: Old Prototype.

    Doorways: Holy Mountains of Flesh is an Immersive Horror Adventure, featuring a Complex Story and Deep Atmosphere.

    2016ActionIndieAdventure19.99 USDSteam ↗
  5. Hellbound: Survival Mode

    WHY THIS

    Another title from Saibot Studios, the studio behind Doorways: Old Prototype. Shares Action and Indie with Doorways: Old Prototype.

    FULL GAME NOW AVAILABLE. GO GET IT! This is the Free Survival Mode for Hellbound: a '90s style First Person Shooter, made 30 years later… but just a glimpse of the full game, go check it out!

    2019ActionIndieFree To PlayFreeSteam ↗

Frequently asked about Doorways: Old Prototype

Is Doorways: Old Prototype free to play?
Yes — Doorways: Old Prototype is a free-to-play title on Steam. You can install and play it without buying anything, though some games include optional in-app purchases.
What games are most similar to Doorways: Old Prototype?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Doorways: Old Prototype are Horizon's Mirage, Lorn's Lure, Toy Voyage.
Who developed Doorways: Old Prototype?
Doorways: Old Prototype was developed by Saibot Studios.

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 Doorways: Old Prototype.

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

13 Games Like Doorways: Old Prototype — Ranked for 2026 · imho.run