Crates
Play Crates, a free magic-square math game. Find the missing number in fresh 3×3 puzzles where every row, column and diagonal shares the same total.
Use the shared total to find the missing number.
Top 5 highscores
How to play
How it works: Choose one of three levels and find the missing value in each 3×3 magic square. Every row, column and diagonal has the same total. Pick the correct number from four options before the 15-, 10- or 6-second timer expires.
Score and best result: A correct answer earns 10 points plus one point per second left. A round has ten new squares; get at least seven right to win. Your best score is saved per level in this browser. Scores that reach the online top five can be submitted to the leaderboard.
Crates gameplay
Use the equal sums to find the missing number.
Look at the row with the question mark. Subtract its two visible numbers from the shared total.