Kakuro.com, the home of Kakuro (cross sums) on the internet

Kakuro Master. Try the Newest puzzle craze from Japan, choose from three levels of difficulty and four varieties of board size to cater for any serious puzzle addict. Use a combination of logic and arithmetic to complete the puzzles. Do you have the patience to become a Kakuro Master? Kakuro Master can generate an endless amount of puzzles, so you will never play the same game twice! Other features include hints, great graphics and high scores.