Queens
Place one queen in every row, column and coloured region — none touching.
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How to play
Click a cell to cycle empty → ♛ → ✕ (use ✕ to mark cells you’ve ruled out). Conflicting queens pulse red. Place one per row, column and region with none touching, then press Verify.
About Queens
Queens is a one-rule logic puzzle: put exactly one queen in each row, each column and each coloured region, and no two queens may touch — not even diagonally. Deceptively simple, genuinely addictive.