Sudoku Puzzles Ace is a new program based on Sudoku - a Japanese game initially introduced in 1986. Tough Sodoku puzzles may take a few hours to solve. This is where the benefit of software comes in. Since Sudoku Puzzles Ace isn't pen and paper, there are an unlimited number of corrections that can be done. The program is able to generate millions of different random Sudoku puzzles and has "Hint" and "Solve" features to ease the solution process.