Sudoku Ace 1.0 is new puzzle software based on Sudoku - a Japanese numbers game initially introduced in 1986. The Sudoku-mania really took the world over this year with the launch of numerous puzzles. For example, one of the major British newspapers The Telegraph, which started publishing the Sudoku puzzles in February, has received over 60,000 e-mails from the readers. And preparations for the worldwide Sudoku competition are well underway. The rules of Sudoku are quite simple - the player has to fill in a grid so that every row, every column, and every box contains all the digits one to nine. A tough Sodok... [ read more about Sudoku Ace >> ]