With over 2000 different puzzles with increasing levels of difficulty, are you the one the solve them all. As well as the standard number tests, Essential Sudoku also includes variations on the addicitve craze using pictures and colours to make the challenge even more exciting. Great fun whatever your age or ability.

With over 2000 different puzzles with increasing levels of difficulty, are you the one the solve them all. As well as the standard number tests, Essential Sudoku also includes variations on the addicitve craze using pictures and colours to make the challenge even more exciting. Great fun whatever your age or ability.