Clear rules
One simple idea behind every level—same logic DNA as classic Sudoku, fresh geometry.
Sudoku on a hex grid
Paint every triangle using six colors: in each of the 13 regions on the board, a color cannot repeat. Calm focus—and plenty of levels ahead.
Why it might be your kind of puzzle
Hints that help
Stuck? Use a hint when you need it and keep your own pace.
Your session, your pause
Perfect for short breaks—a puzzle that respects your time and attention.
Peek at the game
New to Hexoku?
Read the quick guide or reach out if you need help with install or your save.
How to play