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[Discover] Daily Sudoku - help, tips, techniques, free puzzles, and daily dose of Sudoku! http://www.sudokuoftheday.com/ (games strategy puzzles tips)
[Discover] Sudoku 129 - Free Sudoku Puzzles for Print Sudoku PDF http://www.sudoku129.com/puzzles/index.php (sudoku puzzles)
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[Discover] Classic Puzzles: 13 Balls problem : One of the Hardest Interview Questions http://classic-puzzles.blogspot.com/2006/12/13-balls-problem-one-of-hardest.html (interview algorithms cool fun)
[Discover] Microsoft Google Algorithm Interview Questions http://savenseek.com/page/Microsoft_Google_Algorithm_Interview_Questions__brainDead (google algorithms microsoft interview)
[Discover] Planarity http://home.cwru.edu/~jnt5/Planarity/ (flash games game entertainment)
[Discover] Decrypting a Solitaire cipher with a partially-know deck http://www.maths.soton.ac.uk/cipher2004/archives/2004/12/the_next_thirte.phtml (research code puzzle hacker)
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