HEATKEYS

Free crossword puzzles and other puzzles and games to keep your brain fit, including sudoku puzzles, math puzzles and word searches to play online or print, as well as online jigsaw puzzles, logic puzzles, brain teasers, strategy games, puzzles for k...

Free web sudoku site unlike any other. Use smart hints to teach you new moves; save/share puzzles, undo screw-ups, print to PDF, enter your own puzzle, and more. Play sudoku online!

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Sudoku! Everything you need to know about this addictive puzzle. Come for the knowledge. Stay for the fun.

Sudoku hints online sudoku solver with graded daily puzzles

Sudoku puzzle solver for everyone

Strategies for Sudoku, Sudoku X, Killer Sudoku and Jigsaw Sudoku - and the home of logical puzzle maker Andrew Stuart

St. Olaf is a nationally ranked highly selective private liberal arts college of the Lutheran church in Northfield, Minnesota near Minneapolis and St. Paul

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Intelligent Sudoku solvers, generators for all 3x3 Sudoku, 5-grid Samurai Sudoku and 4x4 Super Sudoku puzzles plus Daily Sudoku.

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Sudoku Links - Only The Best Sudoku Sites

Sudoku Math - Sudoku Puzzles and Solver