plumwit · a small puzzle studio

Beautiful logic puzzles for anyone who likes a quiet win.

We make calm, clever puzzle games. Every puzzle can be solved by logic alone, with no guessing, and nothing on screen shouts for your attention.

Plumwit is a small studio. Our games are made by humans and AI together.

Tessellogic app icon: a triangle, a circle and a square linked by arrows in a loop

First up

Tessellogic

Coming soon to Google Play

Three shapes. One beats the next. Fill the grid so every clue is true — and every neighbour is different.

A shape logic grid for phones. Tap, deduce, done. Free to play with ads, and no accounts or sign-in.

Tessellogic, from plumwit. Read the Tessellogic privacy policy, including information for parents.

How we make games

  • Logic, not luck

    Every puzzle has a solution you can reach by reasoning. No guessing required.

  • Calm by design

    Soft colours, clear rules and room to think.

  • Honest and small

    A tiny studio. This website has no cookies, no analytics and no trackers.