IMHO.

Single-player games like FRACT OSC

Below are 12 single-player Steam games similar to FRACT OSC, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like FRACT OSC page.

Ranked picks

  1. 1
    MirrorMoon EP — Steam game cover

    MirrorMoon EP

    Single-player alternative to FRACT OSC — playable solo, no multiplayer required. Shares Indie and Adventure with FRACT OSC.

    MirrorMoon EP is a game about mystery and exploration set in outer space. These space travels begin on a red planet and its unique moon and extend across galaxies. The single player part of MirrorMoon EP blends adventure and exploration with navigation-based puzzle solving.

    2013IndieAdventure14.99 USDSingle-playerSimilar games →
  2. 2
    Kairo — Steam game cover

    Kairo

    Single-player alternative to FRACT OSC — playable solo, no multiplayer required. Shares Indie and Adventure with FRACT OSC.

    Enter the lost world of Kairo. Explore vast abandoned monuments. Bring strange and ancient machinery back to life. Slowly uncover the true purpose of Kairo and fulfil a great destiny.Kairo is an atmospheric 3D exploration and puzzle solving game.

    2013IndieAdventure4.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    NaissanceE — Steam game cover

    NaissanceE

    Single-player alternative to FRACT OSC — playable solo, no multiplayer required. Shares Indie and Adventure with FRACT OSC.

    NaissanceE is an obscure and magical first person exploration game, a philosophical trip and an artistic experience. The adventure takes place in a primitive mysterious structure and the game mainly consists to explore and feel the deep and strong ambiance of this atemporal world.

    2014IndieAdventureFreeSingle-playerSimilar games →
  4. 4
    Obduction — Steam game cover

    Obduction

    Single-player alternative to FRACT OSC — playable solo, no multiplayer required. Shares Indie and Adventure with FRACT OSC.

    A new sci-fi adventure from Cyan, the creators of Myst. Abducted far across the universe, you find yourself on a broken alien landscape with odd pieces of Earth. Explore, uncover, solve, and find a way to make it home.

    2016IndieAdventure29.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    The Exhibition — Steam game cover

    The Exhibition

    Single-player alternative to FRACT OSC — playable solo, no multiplayer required. Shares Indie and Adventure with FRACT OSC.

    You’ve just arrived on this island to visit The Exhibition. Explore this place, its architecture, and its space. There’s no real goal, just your desire to explore and discover what lies behind these walls. If you get lost, stay calm, you’re still alone.

    IndieAdventureSimulationSingle-playerSimilar games →
  6. 6
    0°N 0°W — Steam game cover

    0°N 0°W

    Single-player alternative to FRACT OSC — playable solo, no multiplayer required. Shares Indie and Adventure with FRACT OSC.

    Ready for a wild trip of psychedelic sights and sounds? 0°N 0°W is a chill, first-person walking sim for everyone, where each run is a fresh adventure!

    2018IndieAdventureCasual4.99 USDSingle-playerSimilar games →
  7. 7
    Door — Steam game cover

    Door

    Single-player alternative to FRACT OSC — playable solo, no multiplayer required. Shares Indie and Adventure with FRACT OSC.

    You will have to face hundreds of different doors, and decide which one you should go to in order to get to the main secret. You have to open the doors in many locations of this world, each of which is dedicated to its type of doors.

    2018IndieAdventureSimulation6.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    The Norwood Suite — Steam game cover

    The Norwood Suite

    Single-player alternative to FRACT OSC — playable solo, no multiplayer required. Shares Indie and Adventure with FRACT OSC.

    Explore the mysterious Hotel Norwood in this surreal first-person adventure. Curious characters, forgotten secrets, and head-nodding music await your arrival.

    2017IndieAdventureCasual9.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    The Talos Principle — Steam game cover

    The Talos Principle

    Single-player alternative to FRACT OSC — playable solo, no multiplayer required. Shares Indie and Adventure with FRACT OSC.

    The Talos Principle is a first-person puzzle game in the tradition of philosophical science fiction. Made by Croteam and written by Tom Jubert (FTL, The Swapper) and Jonas Kyratzes (The Sea Will Claim Everything).

    2014ActionIndieAdventure29.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Myst — Steam game cover

    Myst

    Single-player alternative to FRACT OSC — playable solo, no multiplayer required. Shares Indie and Adventure with FRACT OSC.

    Welcome to Myst: a starkly beautiful island, eerily tinged with mystery and shrouded in intrigue. Built from the ground up to play in 2D & VR, explore Myst in a whole new dimension! Journey to the Ages, unravel puzzles, and be a part of the surrealistic adventure that will become your own.

    2021IndieAdventureCasual34.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    The Witness — Steam game cover

    The Witness

    Single-player alternative to FRACT OSC — playable solo, no multiplayer required. Shares Indie and Adventure with FRACT OSC.

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

    2016IndieAdventure39.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Baba Is You — Steam game cover

    Baba Is You

    Single-player alternative to FRACT OSC — playable solo, no multiplayer required. Shares Indie with FRACT OSC.

    Baba Is You is a puzzle game where the rules you have to follow are present as blocks you can interact with. By manipulating them, you can change how the game works, repurpose things you find in the levels and cause surprising interactions!

    2019Indie14.99 USDDeck VerifiedSingle-playerSimilar games →