Be first to complete a row whose sum is a perfect square!
Continue
Board size
3x3
4x4
5x5
Digits
3
4
5
6
7
8
9
Difficulty
3 (Easy)
4
5
6 (Medium)
7
8
9 (Hard)
10
11
Who starts
Player
CPU
CPU (random opening)
New Game
←
Menu
Your digit:
Thinking...
CPU digit:
Play again