Free 3×3–6×6 No sign-up
Magic squares
Place 1…n² so every row, column, and diagonal shares the same sum—the magic constant.
Normal squares generated on the server (classic constructions for odd, 4×4, and 6×6); check your grid or reveal a hint when you are stuck.
Get started
Start playing opens a default 3×3 medium puzzle; change size and difficulty anytime under New puzzle on the play screen.
Explore
Did you know?
The Lo Shu pattern is the classic order-3 normal magic square—known for centuries in many cultures.
ProPuz uses the Siamese (de la Loubère) method to construct 3×3 and 5×5 solutions before hiding cells.
Easy leaves more numbers visible; hard removes more—same valid square underneath.
Quick questions
We check against the puzzle’s generated solution; other magic squares can exist in theory.
Use Printable magic square for worksheets, or open a game and use Print puzzle for that grid.
Start playing, then pick 4×4 or 6×6 under New puzzle on the play screen—the magic constant updates automatically.