IMHO.

Single-player games like Crapht Box

Below are 10 single-player Steam games similar to Crapht Box, 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 Crapht Box page.

Ranked picks

  1. 1
    Board Game Engine — Steam game cover

    Board Game Engine

    Single-player alternative to Crapht Box — playable solo, no multiplayer required. Shares Indie and Simulation with Crapht Box.

    The Board Game Engine was built with game developers in mind as a tool for designing and prototyping your very own tabletop games with as much freedom as possible.

    2022IndieSimulationCasualFreeSingle-playerSimilar games →
  2. 2
    Rhythm Game Studio — Steam game cover

    Rhythm Game Studio

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

    Rhythm Game Studio is a micro game editor designed specifically for creating your own rhythm games. With an easy-to-use block coding interface and robust rhythm-specific features, you can design and share your tiny rhythmic creations.

    IndieCasualSingle-playerSimilar games →
  3. 3
    PatchWorld — Steam game cover

    PatchWorld

    Single-player alternative to Crapht Box — playable solo, no multiplayer required. Shares Indie and Simulation with Crapht Box.

    PatchWorld is a social audiovisual playground for VR and desktop where creators build interactive worlds, instruments, reactive visuals, playful systems, and live experiences together in real-time _ no coding needed.

    IndieAdventureSimulationSingle-playerSimilar games →
  4. 4
    ProBelt — Steam game cover

    ProBelt

    Single-player alternative to Crapht Box — playable solo, no multiplayer required. Shares Indie and Simulation with Crapht Box.

    ProBelt is a game in which you calculate results by using mathematical operators. Conveyor belts are used to transport numbers between operators.

    2026IndieSimulationCasual5.99 USDSingle-playerSimilar games →
  5. 5
    Game Dev Story — Steam game cover

    Game Dev Story

    Single-player alternative to Crapht Box — playable solo, no multiplayer required. Shares Indie and Simulation with Crapht Box.

    Work hard and you may reach the top of the video game industry!

    2022StrategyIndieSimulation8.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Linkito — Steam game cover

    Linkito

    Single-player alternative to Crapht Box — playable solo, no multiplayer required. Shares Indie and Simulation with Crapht Box.

    Unleash your brainpower in Linkito and ignite the insurgency! Link, build, solve, defuse, and decode by using your logic. Craft your own challenges in the level editor or tackle community creations.

    2024StrategyIndieSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    The Bibites: Digital Life — Steam game cover

    The Bibites: Digital Life

    Single-player alternative to Crapht Box — playable solo, no multiplayer required. Shares Indie and Simulation with Crapht Box.

    Explore real digital life in The Bibites! Play god by guiding your bibites on their evolutionary journey or engineer your own. Analyze their Neural Network brains and genetic information as they adapt to their environments. Save your favorites and test their strength in Challenge Mode!

    2025IndieSimulationEarly Access9.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Poly Bridge — Steam game cover

    Poly Bridge

    Single-player alternative to Crapht Box — playable solo, no multiplayer required. Shares Indie and Simulation with Crapht Box.

    Unleash your engineering creativity with an engaging and fresh bridge-building simulator with all the bells and whistles. Enjoy hours of physics-based puzzle solving in the Campaign and then jump in the Sandbox to create your own bridge designs and puzzles!

    2016IndieSimulation9.99 USDSingle-playerSimilar games →
  9. 9
    Hyper Dungeon Crawler — Steam game cover

    Hyper Dungeon Crawler

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

    Hyper Dungeon Crawler is a turn-based roguelike RPG with crafting. Collect materials and craft your unique tools, weapons, magic spells and other supplements and fight your way through a series of procedurally generated scenes.

    2021StrategyIndieAdventure6.99 USDSingle-playerSimilar games →
  10. 10
    Hyper Bullet — Steam game cover

    Hyper Bullet

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

    Hyper Bullet is a top-down action game replenished with agreeable vaporwave aesthetics, pure joy of combat and gunplay rhythm.

    2021ActionIndieCasual2.99 USDSingle-playerSimilar games →