Open source Sudoku game with three different game modes (in Unlimited variant):
6x6 game field with 2x3 subsections
9x9 game field with 3x3 subsections (standard)
12x12 game field with 3x4 subsections
The 9x9 Classic mode is also available in four difficulty levels; Easy, Medium, Hard and Very Hard; each with 250 puzzles.
In game credits
Óscar Garcia Amor
Technische Universität Darmstadt, Germany