You can find a lot of sudoku resources online. Here are some of my personal favorites. Just click on the picture to visit the websites.
Large Sudoku Sites
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Daily 16×16 Sudoku challenge
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16×16 Sudoku for different levels
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25×25 Sudoku for different levels
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25×25 Sudoku using letters. Also have smaller sizes (10×10 to 16×16)
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25×25 Sudoku using letters. Also have smaller size (16×16) and different levels.
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print 25×25 puzzles at different levels
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print 25×25 puzzles at different levels
Downloadable Applications and Tutorials
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Sudoku for Windows application. Love the way the application colors the cells giving the user an alternate way to detect patterns .
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website for all types of logic strategies.
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website for all types of logic strategies.
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website for all types of logic strategies.
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youtube tutorial from the Sudoku guy