IMHO.

Single-player games like Boo!

Below are 13 single-player Steam games similar to Boo!, 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 Boo! page.

Ranked picks

  1. 1
    Please Fix The Road — Steam game cover

    Please Fix The Road

    Single-player alternative to Boo! — playable solo, no multiplayer required. Shares Indie and Casual with Boo!.

    Please Fix The Road is a colorful, minimalistic, laid-back and casual puzzle game in which it's probably not hard to guess... you're fixing roads! Your road repair doesn't have to be beautiful, it just needs to get the job done! Your mom will like this game too!

    2022IndieSimulationCasual9.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Romeow: in the cracked world — Steam game cover

    Romeow: in the cracked world

    Single-player alternative to Boo! — playable solo, no multiplayer required. Shares Indie and Casual with Boo!.

    Romeow feels lost without his favorite toy. Go through messy paths and help him find it, so he can take a nap peacefully. Enjoy this minimalist puzzle with him.

    2021IndieCasual9.99 USDSingle-playerSimilar games →
  3. 3
    Linelith — Steam game cover

    Linelith

    Single-player alternative to Boo! — playable solo, no multiplayer required. Shares Indie and Casual with Boo!.

    Solve puzzles embedded in rocks and crystals as you explore a colorful, serene alien asteroid. Discover a few clever twists as you progress in this short and sweet puzzle experience.

    2022StrategyIndieCasual2.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Can't Live Without Electricity — Steam game cover

    Can't Live Without Electricity

    Single-player alternative to Boo! — playable solo, no multiplayer required. Shares Indie and Casual with Boo!.

    Can't Live Without Electricity is a 3D relaxing puzzle game in which you supply electricity by connecting houses to power plants.

    2023StrategyIndieSimulation3.49 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Été — Steam game cover

    Été

    Single-player alternative to Boo! — playable solo, no multiplayer required. Shares Indie and Casual with Boo!.

    Été (summer) is a relaxing painting game set in Montréal. Color the city to explore, create artworks on canvas, collect stamps in your album, decorate your studio, fulfill commissions from your neighbors, and unleash your inner artist!

    2024IndieAdventureRPG14.99 USDSingle-playerSimilar games →
  6. 6
    Midnight Girl — Steam game cover

    Midnight Girl

    Single-player alternative to Boo! — playable solo, no multiplayer required. Shares Indie and Casual with Boo!.

    Midnight Girl is a casual point-and-click adventure game. The game takes place in France during the Sixties. The story, mood, and style of the game are inspired by the city of Paris, Belgian comics and heist films from the Sixties.

    2023IndieAdventureCasual14.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Wayout — Steam game cover

    Wayout

    Single-player alternative to Boo! — playable solo, no multiplayer required. Shares Indie and Casual with Boo!.

    Relax, clear your mind and find the way out.

    2016IndieCasual1.99 USDSingle-playerSimilar games →
  8. 8
    Lines X — Steam game cover

    Lines X

    Single-player alternative to Boo! — playable solo, no multiplayer required. Shares Indie and Casual with Boo!.

    Beautiful & relaxing Numberlink puzzles.

    2017StrategyIndieCasual1.99 USDSingle-playerSimilar games →
  9. 9
    Factory Balls — Steam game cover

    Factory Balls

    Single-player alternative to Boo! — playable solo, no multiplayer required. Shares Indie and Casual with Boo!.

    You might think that working on the assembly line is tedious work, but not if you're manufacturing Factory Balls! Your job in this logic puzzle game is to custom craft each ball to a specific order. You've got all the tools you need to fulfill each order... except the instruction manual.

    2019IndieCasual3.99 USDSingle-playerSimilar games →
  10. 10
    The Bart Bonte collection — Steam game cover

    The Bart Bonte collection

    Single-player alternative to Boo! — playable solo, no multiplayer required. Shares Indie and Casual with Boo!.

    Flash is dead, long live the Bart Bonte collection! A collection of 28 Flash games carefully packaged and remastered for you, all accessible from a selection menu with loads of achievements. All the classics you know from the browser, including the "Sugar, Sugar" and the "Factory Balls" series.

    2021IndieCasual9.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Logica Emotica — Steam game cover

    Logica Emotica

    Single-player alternative to Boo! — playable solo, no multiplayer required. Shares Indie and Casual with Boo!.

    An emoji infused puzzle game for you!

    2022IndieCasual2.99 USDSingle-playerSimilar games →
  12. 12
    Mister Antonio — Steam game cover

    Mister Antonio

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

    A puzzle adventure game about a quirky cat with rather curious demands.

    2024Adventure2.99 USDSingle-playerSimilar games →
  13. 13
    Leaving Home — Steam game cover

    Leaving Home

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

    From puzzle maestro Bart Bonte comes a point-and-click adventure filled with quirky challenges, surreal surprises and moody tunes...

    2025Adventure3.99 USDSingle-playerSimilar games →