'Sudoku' is one of the most popular puzzle games in the UK at the moment, and has been likened to the Rubiks Cube of the 1970's. The idea is simple - there is a 9 x 9 grid,and the numbers 1-9 have to be placed so they occur once in each row, each column, and each smaller 3x3 grid.
Over 12000 puzzles included!
Over 12000 puzzles included!