IMHO.

Single-player games like :3

Below are 9 single-player Steam games similar to :3, 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 :3 page.

Ranked picks

  1. 1
    Copy Cats — Steam game cover

    Copy Cats

    Single-player alternative to :3 — playable solo, no multiplayer required. Shares Indie with :3.

    Utilize the power of the mysterious cloning machine and use your handy copy cats to solve puzzles and help a little kitty escape from a strange virtual dimension!

    2026IndieAdventureCasualSingle-playerSimilar games →
  2. 2
    Threadbound — Steam game cover

    Threadbound

    Single-player alternative to :3 — playable solo, no multiplayer required. Shares Indie with :3.

    A puzzle platformer about writing your own laws of physics. Connect properties together with magic thread to explore an abandoned city.

    IndieAdventureCasualSingle-playerSimilar games →
  3. 3
    One Neck Ahead — Steam game cover

    One Neck Ahead

    Single-player alternative to :3 — playable solo, no multiplayer required. Shares Indie with :3.

    A gimmick-based precision platformer where you carry your own ground. Place platforms mid-jump and combine them with a wide variety of movement-bending gimmicks.

    2026IndieAdventureSingle-playerSimilar games →
  4. 4
    Tama In-Between — Steam game cover

    Tama In-Between

    Single-player alternative to :3 — playable solo, no multiplayer required.

    A puzzle platformer featuring a slime cat. Master the abilities of "Absorb," "Split," and "Possess." Dash using the recoil of splitting and teleport your soul to distant copies. Use your reflexes and wits to traverse an alien world filled with unique mechanics.

    2026ActionSingle-playerSimilar games →
  5. 5
    Dungeon Gals — Steam game cover

    Dungeon Gals

    Single-player alternative to :3 — playable solo, no multiplayer required. Shares Indie with :3.

    A small crisis control team has been summoned to help a civilization in the sky escape impending doom! Explore dungeons, solve puzzles, and find lots of treasure to help prepare yourself for incredible challenges!

    2026ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Pipplop's Tiny Adventure — Steam game cover

    Pipplop's Tiny Adventure

    Single-player alternative to :3 — playable solo, no multiplayer required. Shares Indie with :3.

    A compact precision-puzzle platformer where you enter circles to launch Pipplop and solve miniature stages involving movement puzzles.

    2026IndieAdventureCasualSingle-playerSimilar games →
  7. 7
    Project Arrow — Steam game cover

    Project Arrow

    Single-player alternative to :3 — playable solo, no multiplayer required. Shares Indie with :3.

    Project Arrow is a 2D platformer with environmental puzzles based on physics. The game follows the story of an archer cat trying to find its way back home in a strange and mysterious world.

    ActionIndieAdventureSingle-playerSimilar games →
  8. 8
    Magician's Cat Diary — Steam game cover

    Magician's Cat Diary

    Single-player alternative to :3 — playable solo, no multiplayer required. Shares Indie with :3.

    Every magician likes to keep cats, use magic to train your cats to win various strange competitions!

    2023IndieSimulationRPG3.99 USDSingle-playerSimilar games →
  9. 9
    Hero's Spirit — Steam game cover

    Hero's Spirit

    Single-player alternative to :3 — playable solo, no multiplayer required. Shares Indie with :3.

    Explore a vast, open world - evade or defeat its monsters, arm yourself with knowledge and equipment, unravel layer upon layer of secrets, and ultimately confront the very magic threatening to destroy everything.

    2020IndieAdventureRPG5.99 USDDeck VerifiedSingle-playerSimilar games →