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Do you like sudoku games? I like it very much. But sometimes we're boring about some puzzles that we can't solve and no one can help us. I think we're short of some techniques. But now,I will recommend isudoku, this software can help us a lot. This software not only gives us the answer, but help us master the sudoku techniques quickly as well. It includes all easy-to-use features to make our gaming experience a great joy. Especially you are a novice, this software is very useful.if you are an expert in this game, don't need to doubt, this software suits you as well.

I think the best feature about the software is its powerful hint system. When we are stuck without knowing what to do next, its powerful hint system works. The grid can show us all possibile candidates when 'auto-update candidates' option is selected. It not only highlights the cell for a suggested value assignment, all related cells and puzzle unit( column, row and block) are marked with distince colors to help us understand the reason for such an assignment. Apart from this, it will provide a text illustration of the technique. In the powerful user's manual, with illusration of two sets of sudoku techniques, give us every detailed information we want to know about, So, we can quickly learn all commonly used sudoku skills.

In this software we can generate and solve unlimited numbers of puzzles in 5 different levels of difficulties; powerful undo and redo function enable we can review every move we have made and plan our next move; it provide 4 various input methods, including mouse input ,keyboard input, dialer pad input and mouse wheel support, can always satisfy all our needs; number filter function can help us locate all designated numbers and/or candidates quickly.

It supports 4 different text formats for puzzle opening and saving. We can copy the puzzles into and pasted the puzzles from clipboard in 4 different text formats. We also can copy and save original or current puzzle as an image.

If you're an experienced players of sudoku game, you can generate very hard puzzle in this software. You can design the puzzle of yourself.

Moreover, it supports multiple interface languages: English, Chinese simplified and ChineseTraditional.
Compare with isudoku, sudoku XP has 10 difficulty levels and over 10,000 sudoku puzzles. It's more than isudoku. Its control is easier than isudoku, but function is easier too. Otherwise, auto pencil mark feature is its own. And its bright and colorful graphics is a big characteristic. It's very good too. The two softwares have their own characteristics.