IMHO.

Single-player games like OCO

Below are 11 single-player Steam games similar to OCO, 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 OCO page.

Ranked picks

  1. 1
    SongRunner — Steam game cover

    SongRunner

    Single-player alternative to OCO — playable solo, no multiplayer required. Shares Action and Indie with OCO.

    A puzzle platformer where the platforms are your own musical loops! Navigate handcrafted stages full of puzzly platforming challenges while creating platforms in time with a high energy original soundtrack!

    ActionIndieSingle-playerSimilar games →
  2. 2
    Super Indie Square - Fight Against Time — Steam game cover

    Super Indie Square - Fight Against Time

    Single-player alternative to OCO — playable solo, no multiplayer required. Shares Action and Indie with OCO.

    In Super Indie Square - Fight Against Time your goal is collect all the coins before time runs out, and any simple mistake is fatal.

    2020ActionIndieAdventure12.99 USDSingle-playerSimilar games →
  3. 3
    Psyber — Steam game cover

    Psyber

    Single-player alternative to OCO — playable solo, no multiplayer required. Shares Action and Indie with OCO.

    Psyber is an educational game that teaches players the fundamentals of Computer Science. Explore an alternate reality world of robots filled with fun interactive puzzles and dangerous traps while learning the fundamentals of programming.

    2020ActionIndieAdventure29.99 USDSingle-playerSimilar games →
  4. 4
    Kid Hallow — Steam game cover

    Kid Hallow

    Single-player alternative to OCO — playable solo, no multiplayer required. Shares Action and Indie with OCO.

    Wear different costumes to get past different challenges in this precision puzzle platformer. Then build your own challenges in the level editor!

    2021ActionIndie9.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Tick Hop — Steam game cover

    Tick Hop

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

    "Tick Hop" is a time-based puzzle platformer where players control the Guardian of Time. Navigate through levels made of time fragments, solving challenges and unlocking the past to restore the future. Manage a dynamic countdown and use time-altering items to overcome obstacles.

    2025IndieAdventureRacing2.99 USDSingle-playerSimilar games →
  6. 6
    Jumphobia Classic — Steam game cover

    Jumphobia Classic

    Single-player alternative to OCO — playable solo, no multiplayer required. Shares Action and Indie with OCO.

    Are you ready for the ultimate puzzle platforming challenge? There is no jump button, instead you automatically jump when you run off a ledge! You are going to need both skill and intelligence if you hope to beat this game!

    2017ActionIndieCasual2.99 USDSingle-playerSimilar games →
  7. 7
    Soundodger+ — Steam game cover

    Soundodger+

    Single-player alternative to OCO — playable solo, no multiplayer required. Shares Action and Indie with OCO.

    Dodge the music and dance through a mesmerizing ballet of choreographed bullets, each synced to music from over a dozen international artists. Push your creativity and skills with the fully-featured Level Editor and never run out of things to dodge.

    2013ActionIndieCasual7.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Intralism — Steam game cover

    Intralism

    Single-player alternative to OCO — playable solo, no multiplayer required. Shares Action and Indie with OCO.

    Intralism - fast and hard rhythm game. Listen to music and match arcs to the beat. Master all beatmaps or create your own and challenge friends in the online multiplayer. But remember: wrong button - failed try.

    2016ActionIndieCasual2.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Geometry Dash — Steam game cover

    Geometry Dash

    Single-player alternative to OCO — playable solo, no multiplayer required. Shares Action and Indie with OCO.

    Jump and fly your way through danger in this rhythm-based action platformer!

    2014ActionIndie4.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Rez Infinite — Steam game cover

    Rez Infinite

    Single-player alternative to OCO — playable solo, no multiplayer required. Shares Action and Indie with OCO.

    The legendary action-shooter finally comes to PC, and in style! Blast your way through mind-melting visuals and amazing beats, all in your quest through cyberspace to save a world on the verge of collapse. Playable on your desktop or in fully immersive VR.

    2017ActionIndieCasual24.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Grow Wild — Steam game cover

    Grow Wild

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

    Grow Wild is a cosy nature game where you grow real-life plants and trees, create thriving ecosystems, discover hundreds of creatures, and help rewild the world!

    IndieSimulationCasualSingle-playerSimilar games →