IMHO.

Single-player games like oO

Below are 17 single-player Steam games similar to oO, 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 oO page.

Ranked picks

  1. 1
    Super Hexagon — Steam game cover

    Super Hexagon

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

    Super Hexagon is a minimal action game by Terry Cavanagh, with music by Chipzel.

    2012ActionIndie2.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    TTV2 — Steam game cover

    TTV2

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

    TTV2 is an arcade retro hardcore maze wanderer minigame, sequel to Trip to Vinelands.

    2017ActionIndie0.49 USDSingle-playerSimilar games →
  3. 3
    Synthwave Tunnel — Steam game cover

    Synthwave Tunnel

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

    Take a late-night ride in Synthwave Tunnel! Race through neon-lit, rhythm-generated paths, pushing your reflexes to the limit. Speed through dynamic obstacles, synced to the beat, and conquer the ultimate challenge. Can you reach the end?

    2025ActionIndieCasual4.99 USDSingle-playerSimilar games →
  4. 4
    FLATLAND Vol.1 — Steam game cover

    FLATLAND Vol.1

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

    A fast-paced hardcore platformer featuring hand-crafted levels and lightning-fast respawns. Help Square survive his journey to the depths of Flatland, a minimalist neon-style 2D world. Run, jump, die, learn, repeat.

    2019ActionIndie4.99 USDSingle-playerSimilar games →
  5. 5
    Hepta Beats — Steam game cover

    Hepta Beats

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

    Hepta Beats is a 2D side-view platformer game in which the levels are controlled by the rhythm, predict adversities by following the rhythm to surpass the challenges.

    2021IndieCasual0.99 USDSingle-playerSimilar games →
  6. 6
    Rampage Miami — Steam game cover

    Rampage Miami

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

    Find yourself diving into a retro-futuristic city infested with bad guys!

    2019ActionIndie1.99 USDSingle-playerSimilar games →
  7. 7
    Intralism: Rebuild — Steam game cover

    Intralism: Rebuild

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

    Rebuild - is a remake of fast and hard rhythm game Intralism. 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.

    2021ActionIndieCasual1.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Linea, the Game — Steam game cover

    Linea, the Game

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

    The goal of the game is to survive for more than 60 seconds on each level, dodging platforms and objects, listening to bitpop soundtracks. Four levels, online-records, achievements and trading cards are waiting for you.

    2016ActionIndieCasual1.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Pivvot — Steam game cover

    Pivvot

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

    Pivvot is a thrilling game of strategic avoidance that will consistently test and challenge your ability to make quick, impulsive decisions. As the game progresses, you will have to rely on your instincts and problem-solving skills to navigate down the winding path for survival.

    2014ActionIndieCasual4.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Hook — Steam game cover

    Hook

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

    HOOK is a short minimal, puzzle game.

    2015IndieCasual2.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    klocki — Steam game cover

    klocki

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

    Minimal puzzle game.

    2016IndieCasual2.99 USDDeck VerifiedSingle-playerSimilar games →
  12. 12
    Hook 2 — Steam game cover

    Hook 2

    Single-player alternative to oO — playable solo, no multiplayer required.

    Get Hook’d on unhooking the hooks again.

    2022Casual2.99 USDDeck VerifiedSingle-playerSimilar games →
  13. 13
    PUSH — Steam game cover

    PUSH

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

    Can you push all the buttons?

    2017IndieCasual1.99 USDSingle-playerSimilar games →
  14. 14
    Up Left Out — Steam game cover

    Up Left Out

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

    A puzzle game about unlocking stuff.

    2018Indie2.99 USDSingle-playerSimilar games →
  15. 15
    NABOKI — Steam game cover

    NABOKI

    Single-player alternative to oO — playable solo, no multiplayer required.

    Relaxing disassemble puzzle.

    2019Casual2.99 USDDeck VerifiedSingle-playerSimilar games →
  16. 16
    Zerko — Steam game cover

    Zerko

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

    A puzzle game filled with shapes, numbers, and a straightforward goal: make every number zero.

    2024IndieCasual2.99 USDSingle-playerSimilar games →
  17. 17
    No.9 — Steam game cover

    No.9

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

    Synchronizing form and time.

    2024IndieCasual1.99 USDDeck VerifiedSingle-playerSimilar games →