【實用遊戲app】Sudoku X4|最夯免費app-綠色工廠好玩App

Simply the best Sudoku app ever! Four games in one plus unlimited puzzles!

We have the classic Sudoku puzzles that you know and love. Then for a different twist on the game, try our Jigsaw Sudokus. Instead of the usual square boxes, these puzzles have odd-shaped groups which require a slightly different perspective as you work through them. We round out the selection with X variations on both of these puzzle types. In addition to the usual Sudoku rules, these X-Sudokus have a fourth restriction in the diagonals, which must also contain the digits 1-9. Not really harder, just interesting variations on the simpler Sudoku puzzle types.

Our Sudokus have 6 levels of difficulty, from absolute beginner to really, really hard. For newbies or aficionados who just want to relax, there are puzzles that require only simple techniques. At the other end of the scale, we have puzzles with Franken Fish, XY-Wing and other extreme patterns that will challenge even the most advanced puzzlers. (With no guessing required, of course.) We believe these "really, really hard" puzzles rival the best handmade Sudokus.

Our Sudoku apps include a game engine that generates new puzzles at the touch of your finger. And an album storage system that allows you to save (and view) your partially solved and solved puzzles, as well as your choices for new puzzles. Our friendly user interface makes solving a pleasure, offering a great note implementation, various ink colors, a timer and complete undo/redo capabilities.