Kakuro Cross Sums is the puzzle world's best-kept secret. Called Cross Sums in the USA, Kakuro in the UK, and Kakro in Japan, it’s a fun, entertaining and highly addictive number puzzle game that will challenge and perplex you. The rules are simple, but completing a puzzle takes practice and concentration. Play unlimited Kakuro Cross Sums on your PC with our easy to use software - you'll never want to go back to using paper and pencil! Features: An almost unlimited supply of Kakuro Cross Sums. Various skill levels from beginner to difficult. Custom mode for a challenge fine-tuned to your abilities. Save games to be completed at a later time. View possible sum combinations Game Codes allow you to replay a puzzle at any time - or send the code to a friend so they can play the same puzzle! Journal of all successful Kakuro Cross Sums completed. See if you can improve your time on your favorite puzzles. Keyboard or mouse play. Print puzzles or save them as images. And if it gets too difficult, a "show the solution" option! Try it and see why millions prefer it to Sudoku!