Computer version of a Japanese puzzle Sudoku with "Hint" and "Solve" features

Sudoku Ace 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. 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 Sodoku puzzle may take a few hours to solve. This is where the benefit of software comes in. Since Sudoku Ace isn t pen and paper, and there are an unlimited number of corrections that can be done. Plus the program allows saving the puzzle mid-game or asking for a hint. The number of "known digits" initially displayed varies from game to game. And, because Sudoku Ace is based on a proprietary algorithm, the quantity of different layout is practically endless. Another handy option is the program s Solve feature, which allows users to find a solution for even the most difficult Sudoku puzzles.