Magic Square

Magic Square is a challenging puzzle game that is fun to play. Push your brain to it's limits. The game starts from easy 3 by 3 grid and goes up to complex 15 by 15 grid. In this game you have to fill numbers from 1 to grid size (which can be any number from 3 to 15) such that appear once in each row and column.  All the rows and columns must be completely filled.