Classic Kakuro have over one million unique puzzles. Kakuro is an addictive numbers game that is challenging and fun. If you like Sudoku, you’ll love Kakuro. Classic Kakuro will exercise your brain and enhance your puzzle solving skills. Program features multiple levels of difficulty, three grid sizes and five themes, hints, strategies and the popular 'pencil in' feature. Play on your PC or print your puzzle and take it with you, either way Classic Kakuro will keep you entertained for hours.