
Logic-only puzzles with a unique solution; levels from 5x5 to 9x9 master; explained hints; auto-dot helper; progress saved; mouse and touch; English and Korean
Tap or click a cell to place a crown, tap it again to remove it. Cells ruled out by your crowns are dotted automatically. Fill every row, column and color region with exactly one crown, and keep crowns from touching (including diagonally). Use the hint button if you get stuck.