IMHO.

Single-player games like THW's Calcudoku

Below are 8 single-player Steam games similar to THW's Calcudoku, 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 THW's Calcudoku page.

Ranked picks

  1. 1
    Minesweeper Maker — Steam game cover

    Minesweeper Maker

    Single-player alternative to THW's Calcudoku — playable solo, no multiplayer required. Shares Indie and Casual with THW's Calcudoku.

    Minesweeper Maker is a grid based logic game where you can play and create countless puzzles with friends and the community.

    IndieCasualSingle-playerSimilar games →
  2. 2
    Hanox — Steam game cover

    Hanox

    Single-player alternative to THW's Calcudoku — playable solo, no multiplayer required. Shares Indie and Casual with THW's Calcudoku.

    Slide every block at once, stack them in the right weight order, and master elegant grid-based puzzles built around momentum, planning, and chain merges. Avoid invalid stacks, think several moves ahead, and turn each level into a perfectly crafted solution.

    2026StrategyIndieCasual1.79 USDSingle-playerSimilar games →
  3. 3
    Starshapes — Steam game cover

    Starshapes

    Single-player alternative to THW's Calcudoku — playable solo, no multiplayer required. Shares Indie and Casual with THW's Calcudoku.

    A relaxing 3D puzzle game about drawing constellations in space.

    2026IndieCasualSingle-playerSimilar games →
  4. 4
    Sokobrane — Steam game cover

    Sokobrane

    Single-player alternative to THW's Calcudoku — playable solo, no multiplayer required. Shares Indie and Casual with THW's Calcudoku.

    A puzzle game that bends both space and mind.

    2026IndieCasual9.99 USDSingle-playerSimilar games →
  5. 5
    Hexzen — Steam game cover

    Hexzen

    Single-player alternative to THW's Calcudoku — playable solo, no multiplayer required. Shares Indie and Casual with THW's Calcudoku.

    A hexagonal logic puzzle game set against shifting skies. Use logic alone to read the clues and clear each board. Master a handcrafted campaign, enjoy infinite custom puzzles, and shape your own challenges with the built-in level editor.

    2026StrategyIndieCasualSingle-playerSimilar games →
  6. 6
    For Good Measure — Steam game cover

    For Good Measure

    Single-player alternative to THW's Calcudoku — playable solo, no multiplayer required. Shares Indie and Casual with THW's Calcudoku.

    Two measuring tapes stuck together... Why? No time to explain, you have puzzles to solve! Don't let the simple two-button movement controls fool you into thinking it'll be easy. Tackle the puzzles alone or team up with a friend in online or local co-op.

    2026IndieCasualSingle-playerSimilar games →
  7. 7
    Anonymized — Steam game cover

    Anonymized

    Single-player alternative to THW's Calcudoku — playable solo, no multiplayer required. Shares Indie and Casual with THW's Calcudoku.

    Play as a digital rat and hack your way into the retro-futuristic grid-based movement puzzle world of Anonymized, where you shift hues and dive layers deep in search of the one true Source Cheese.

    IndieCasualSingle-playerSimilar games →
  8. 8
    Fox Stamps — Steam game cover

    Fox Stamps

    Single-player alternative to THW's Calcudoku — playable solo, no multiplayer required. Shares Indie and Casual with THW's Calcudoku.

    Fill out puzzles to reveal images, and complete your stamp collection in this casual nonogram game!

    2027IndieCasualSingle-playerSimilar games →