Carol will talk you through a number of topics including: An introduction to Sudoku: Learn the origins and rules of this popular puzzle. A step-by-step guide on how to play the game that has become a global obsession. Carol will lend a hand and help you solve an entire puzzle from start to finish. Hints and tips: Gain knowledge on how to become a great Sudoku player. Tutorials for every level of player, if you're a master or novice, find out how to improve your game with live action, easy to follow tutorials. Multi-player Hot seat and wireless play: Go head to head or take on the hot seat and win by solving puzzles in the fastest time. 4 difficulty levels, a level to suit all players, from beginners to experts. 1,000,000 plus unique Sudoku puzzles! That's right over a million boards to choose from. Easy to use interface and grid assistance: If you need to erase a number or ask for help it's simple. Puzzle Solver: Solve any puzzle from any source. Multiple game modes: Choose from never seen before game modes and even challenge Carol herself. Classic Sudoku - Career mode- work your way up to a Sudoku master. Challenge Carol mode – can you beat the best? 2-player modes. Head to head wireless play and Hot seat. Multiple Arcade modes: Beat The Clock, Extra Time, Perfection, 3 Strikes.