As a sudoko addist my husband bought me this for Christmas and it a great present I was hooked by lunchtime.

The game boots up and gives you a choice of a quick game, sudoku, kakuro - new one on me! and challenges and multiplayer. If you are new to Sudoku you are given the option of possibles for help which is a great way to learn for those that are no good or won't read instructions - like me but it does take the challenge out of the game if you know how to play. The little squares can be a bit fidily to work in but it is a small screen you are working with. When you hve completed the game co rrectly a chearleader comes and goes her happy dance, you get a trophy on you game and move onto the next one. When you have 5 completed gams the next five are unlocked etc. 15 game son each page, 7 pages for each catogery easy, medium, hard,pro, sudoku X and when you have unlocked those you can access the 20 million grids.

If you are not a sudoko fan, why would you have the game< but there ar tutorials and lessons to help you in a step by step guide. any if you are a fan there is problem solver section to desiagn your own games.

As the game progresses you can unlock challenges which includes Subtract, pair match, shuffle, choice block, high sum and mine detector even the best addicts need a change.

One major draw back - my son managed to wipe all my games off when he wanted to play.