Place exactly one crown in every row, every column and every colour region. No two crowns may touch — not even diagonally.
- Tap a cell to cycle empty → a no-mark (×) → a crown. The no-mark is just an aid for cells you have ruled out.
- Eight crowns, one per row, column and colour, none touching — that is the solve.
- Clashing crowns are ringed in coral; the live tally tracks crowns, time and clashes.
- Stuck? Hint places the next forced crown; Show solution reveals the whole grid.
Each colour is one region. The thick borders mark where regions meet, so you can read the layout without relying on colour alone: