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Play Queens Puzzle Online

Place one queen in every row so no two queens share a row, column, or diagonal. This original single-player Queens Puzzle includes 4 by 4, 5 by 5, and 6 by 6 boards, live conflict highlighting, safe-square previews, move and conflict counters, Undo and Clear controls, mouse, touch, and keyboard input, accessible cell labels, fullscreen play, and instant restart. Play free with no account or download.

Choose board size

Single-player puzzle

No multiplayer mode

Your turnScore 0

How to play

Place one queen in every row so no two queens share a row, column, or diagonal. This original single-player Queens Puzzle includes 4 by 4, 5 by 5, and 6 by 6 boards, live conflict highlighting, safe-square previews, move and conflict counters, Undo and Clear controls, mouse, touch, and keyboard input, accessible cell labels, fullscreen play, and instant restart. Choose a board size, make your move, and use Restart whenever you want a fresh game.

Strategy tips

  • Every row and column needs exactly one queen, while both diagonal directions must also remain clear.
  • Green-bordered empty squares are currently safe; red-bordered queens share at least one attack line.
  • Keyboard players use arrows to move focus, Space or Enter to toggle a queen, U to undo, and C to clear.

FAQ

Is Queens Puzzle free?

Yes. It is free to play in your browser.

Do I need an account?

No account or email is required.