OpenSudoku Alternatives

OpenSudoku is described as 'The developer marked this project as "no longer being actively maintained" on 2016-04-06, so you should rather use it's succesor Open Sudoku' and is an game in the games category. There are more than 25 games similar to OpenSudoku for a variety of platforms, including Android, Windows, Android Tablet, iPad and Mac apps. The best OpenSudoku alternative is LibreSudoku, which is both free and Open Source. Other OpenSudoku like games are Gauguin, KSudoku, Open Sudoku and Sudoku (FLTK).