Sudoku 2Go Free

Sudoku 2Go with 10000 puzzles, 10 different variants, 5 levels of difficulty and a world-class hint engine. All the Sudoku youll ever need!
In addition to the standard Sudoku puzzles it offers these Sudoku variants:
? X-Sudoku
? Hyper-Sudoku
? Percent-Sudoku
? Color-Sudoku
? Squiggly Sudoku (a.k.a. Jigsaw Sudoku)
? and combinations thereof (e.g. Sudoku-X with jigsaw regions)