Sudoku Difficulty Levels

Any tips from Sudoku fans?
I love Sudoku, but I can’t solve any above the Medium Difficulty level. Can you clue me in on some tips for solving more difficult puzzles?
try this helper
http://www.sudokuhelp101.com What do the sudoku puzzle difficulty levels mean ?
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Head to Head Sudoku — Three Levels of Difficulty — 2 Player Competition Sudoku includes 100 puzzles and solutions, 2 game boards, 162 number tiles, timer, head-to-head divider $13.95 … |
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Merangue 8024-0212-00-000 Sudoku Electronic Game Electronic Reference Device $9.99 Sudoku Electronic Game… |
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Nancy Drew: Shadow at the Water’s Edge $17.39 A spooky quest to solve a mystery with every clue providing even more twists and turns to the plot / ESRB Rating E10+ Everyone 10 & Older PC (Windows 98 / 2000 / Me / XP)… |
