Queens

one queen · per region
Place queens — one per coloured region.

Solved!

All queens placed correctly.

How to play

  1. Place exactly one queen in each coloured region.
  2. No two queens may share a row or column.
  3. No two queens may touch — not even diagonally.
  4. Click once to mark (×), click again to place (♛), click again to clear. Drag to paint or erase × marks.