Puzzles for solvers
and for publishers.

Beautifully generated Sudoku and Nonogram — to play, or to print and publish.

I want to play puzzles

Calm, ad-free Sudoku and Nonogram. Solve in your browser, build streaks, master harder grids.

Play puzzles →

I want to generate puzzles for publication

Print-ready Sudoku and Nonogram packs for books, magazines, classrooms, and KDP self-publishing. Commercial license included.

Open Studio →

Infinite, uniquely generated puzzles
No ads. Ever.
Royalty-free commercial license on Studio packs
Free to play. Free in-browser preview for Studio.