IMHO.

Games like ONTOS

If ONTOS is your kind of game, the closest matches are INTERSCAPE, Lucid Falls and Dead Faces — 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 ONTOS: A sci-fi mystery set on the repurposed moon hotel Samsara. Uncover cryptic experiments, face unsettling encounters, and piece together a mind-bending narrative. The deeper you go, the more the truth unravels as you confront the ultimate question: What is reality?

2027ActionIndieAdventureWindowsby Frictional Games
ONTOS — Steam game cover

Players who liked ONTOS also play

Steam players who put hours into ONTOS 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. INTERSCAPE

    WHY THIS

    Top pick for ONTOS fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with ONTOS.

    A colossal black sphere has appeared on Earth, trapping humanity in endless dreams. Explore surreal dream worlds, uncover hidden secrets, and awaken those who sleep. In each distinct dream, awaken new abilities and experience unique worlds.

    ActionIndieAdventureSteam ↗
  2. Lucid Falls

    WHY THIS

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

    Manipulate gravity, space and time, and survive terrifying nightmares in a deeply atmospheric lucid dream. Facing terrifying creatures, and solving challenges that bend reality, every moment reveals more of the dark truth behind Lucid Falls.

    ActionAdventureSteam ↗
  3. Dead Faces

    WHY THIS

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

    Dead Faces is a mind bending psychological horror. Unravel Jack's disturbing mind, the faces from his past and the ultimate truth behind his actions. You must remember their faces.

    2026ActionIndieAdventureSteam ↗
  4. The Call Button

    WHY THIS

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

    A short horror observation thriller. Could you tell what's real and what isn't? You stole intel from your company. Now you wake up in a hospital every day with two choices: take your medication if something looks wrong, or hit the call button if you're sure the room is safe.

    2026IndieAdventureSteam ↗
  5. ALL LIGHT IS GONE

    WHY THIS

    Ranked #5 for ONTOS fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with ONTOS.

    An unauthorized data breach reveals ALL LIGHT IS GONE - a deeply-intricate, found-footage psychological horror game. Enter a sentient brutalist megastructure shaped by humanity's collective subconscious. Evade unearthly entities, manage your panic, and survive the House. Be Consumed.

    IndieAdventureSteam ↗
  6. CultureHouse

    WHY THIS

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

    Seven days to cultivate the end. CultureHouse is an adventure game where you live in a missing scientist's home-turned-lab, cultivating strange organisms called Geneo. Complete the experiment, and the truth behind the scientist's family — and a world in slow decline — will surface.

    IndieAdventureSteam ↗
  7. It's Always Happy at Chubby's

    WHY THIS

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

    Welcome to the night shift at Chubby’s, a 24/7 burger joint in the 90s. It's in the middle of nowhere, so you'll be mostly entirely alone. Just keep the store clean and occasionally serve the drive-thru counter. But whatever you do... always follow the rules.

    ActionIndieAdventureSteam ↗
  8. Room Zero

    WHY THIS

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

    A first-person psychological liminal mystery about a room that should not exist.

    2026IndieAdventureSteam ↗

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 ONTOS.

    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 Action and Adventure with ONTOS.

    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 Action and Indie with ONTOS.

    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 ONTOS.

    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 Action and Indie with ONTOS.

    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. Shares Action with ONTOS.

    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 ONTOS.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗
  8. Sheepy: A Short Adventure

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with ONTOS.

    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 ↗

More from Frictional Games

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

  1. SOMA

    WHY THIS

    Another title from Frictional Games, the studio behind ONTOS. Shares Action and Indie with ONTOS.

    From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.

    2015ActionIndieAdventure29.99 USDDeck VerifiedSteam ↗
  2. Amnesia: The Dark Descent

    WHY THIS

    Another title from Frictional Games, the studio behind ONTOS. Shares Action and Indie with ONTOS.

    Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.

    2010ActionIndieAdventure19.99 USDDeck PlayableSteam ↗
  3. Amnesia: The Bunker

    WHY THIS

    Another title from Frictional Games, the studio behind ONTOS. Shares Action and Indie with ONTOS.

    Amnesia: The Bunker is a first-person horror game set in a WW1 bunker. A relentless, AI-driven monster stalks you. Survival depends on finding tools, crafting items, and keeping the lights on.

    2023ActionIndieAdventure24.99 USDDeck VerifiedSteam ↗
  4. Amnesia: Rebirth

    WHY THIS

    Another title from Frictional Games, the studio behind ONTOS. Shares Indie and Adventure with ONTOS.

    A first-person horror adventure. Uncover your past and survive the Algerian desert. Fear is your enemy; stay calm to not succumb to an illness threatening you and your loved one. Avoid darkness, hide from monsters and solve puzzles. Adventure Mode available for a less scary experience.

    2020IndieAdventure29.99 USDDeck VerifiedSteam ↗
  5. Penumbra Overture

    WHY THIS

    Another title from Frictional Games, the studio behind ONTOS. Shares Action and Indie with ONTOS.

    Penumbra: Overture is a first person survival horror game, emphasizing on survival and problem solving instead of mindless violence and gore.

    2009ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  6. Penumbra: Black Plague Gold Edition

    WHY THIS

    Another title from Frictional Games, the studio behind ONTOS. Shares Action and Indie with ONTOS.

    Surrounded by enemies and assaulted by terror from all sides, Philip must collect clues and solve vexing puzzles while combating the gnawing psychological terrors that assail his mind and threaten to strip him of his sanity.

    2009ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  7. Penumbra: Requiem

    WHY THIS

    Another title from Frictional Games, the studio behind ONTOS. Shares Indie and Adventure with ONTOS.

    Puzzle expansion for Penumbra: Black Plague. Requiem is part of Penumbra: Black Plague Gold Edition, included in the Penumbra Collection.

    2008IndieAdventureSteam ↗

Frequently asked about ONTOS

What games are most similar to ONTOS?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside ONTOS are INTERSCAPE, Lucid Falls, Dead Faces.
Who developed ONTOS?
ONTOS was developed by Frictional Games and published by Frictional Games, Kepler Interactive.

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 ONTOS.

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