A new kind of puzzle

Sudoku,
but make it colour.

The puzzle that feels like painting.

The logic you love. The numbers, gone.
Just colour, calm, and the satisfaction of a perfect grid.

"It feels like painting." — a real player, aged 16

Be first to know when we launch.

No spam. Just a single email when Chromoku is ready.

🎨
Your palette, your rules
Choose from curated colour sets or build your own. Because everyone sees colour differently — and that's the point.
🧘
Genuinely calming
No timers, no numbers, no pressure. Just the quiet logic of colour and the satisfaction of a completed grid.
💡
Hints, not hand-holding
Stuck? A gentle nudge reveals one correct colour. The rest is still yours to solve.
♾️
Endless puzzles
Easy, medium, hard — every game freshly generated, always with a unique solution. No puzzle ever repeats.