Denkspiel
Sudoku Queen
A very fast algotithm solve every puzzle in 0,02 sec. and only need 1 sec. to create one from over 5 billion puzzle. Includes 3 different Gamemode (Training, Timerun and Arcade) for additional alternation. 5 different level for every gamemode. Many helps
Puzzle Dozer v.1.0
Finally, Puzzle Dozer is available on the Mac!