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OFFPLAY

Magic Square

Place every number once so each row, column and diagonal has the same total.

🧠 Logic & Brain 1 2–15 min
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About Magic Square

Complete a magic square: use each number from 1 to 9 (3×3) or 1 to 16 (4×4) exactly once so every row, column and both diagonals add up to the magic total, 15 or 34. Live sums beside each line turn green when they're right. A gentle 3×3 start, then 4×4 puzzles that reward real number sense.

How to play Magic Square

  1. Tap an empty cell, then tap a number from the tray.
  2. Each number can be used once; using it again moves it.
  3. Every row, column and both diagonals must reach the magic total.
  4. Sums beside each line turn green when correct.

Tips and strategy

  • In a 3×3 square the centre is always 5.
  • Opposite cells through the centre of a 3×3 add to 10.
  • In 4×4 squares, the four corners also add up to 34.

Magic Square FAQ

Does every puzzle have one answer?

Yes. Each puzzle is generated fresh and checked by a solver, so there is exactly one solution and you never need to guess.

What is the magic total?

n × (n² + 1) ÷ 2: 15 for 3×3 and 34 for 4×4.

Is Magic Square free to play?

Yes. Magic Square is free in your browser on OFF PLAY, with nothing to download or install.

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