Grant Gibson [ http://www.grantgibson.co.uk/sudoku/ ]
Offers syndicated puzzles for websites as well as print publications. - [ Read more ]

Lovatts Crosswords and Puzzles [ http://www.lovatts.com.au/ ]
Leading Australian publishers of crossword magazines. Play online samples or subscribe. - [ Read more ]

Planetarium [ http://www.beholder.co.uk/planetarium ]
An on-line puzzle story in twelve weekly installments. - [ Read more ]

Crossword Star [ http://www.crosswordstar.com/ ]
Digital solving aid and dictionary available for purchase. - [ Read more ]

The Heebie Su Doku Site [ http://sudoku.toplisted.net/syndicate/feed.php?syndtype=top&syndid=1648 ]
Offers a glossary of terms, links to puzzles and variants, and tips for solving. - [ Read more ]

Springbok Jigsaw Puzzles [ http://www.geocities.com/Heartland/Trail/1756/index.html ]
A hobby reference site specific to this brand of puzzles. - [ Read more ]

Tumbler Puzzle Solution [ http://www.smartbytes.co.uk/Tumbler/ ]
Step by step guide to solving the Nintendo Tumbler puzzle. - [ Read more ]

Just Optical Illusions [ http://www.geocities.com/just_optical_illusions/ ]
Focus on geometric optical illusions by Gianni A. Sarcone and Marie J. Waeber - [ Read more ]

BrainBoggled.com [ http://www.brainboggled.com/ ]
A collection of math, logic, and word puzzles. - [ Read more ]

Cut the knot: Visual Illusions [ http://www.cut-the-knot.org/Curriculum/index.shtml#illusions ]
A collection of about 20 illusions - all accompanied by Java applets. Interactively changeable attributes help investigate which ones are in fact responsible for tricking the brain. - [ Read more ]

Gray Watson's Brain Teasers and Riddles [ http://256.com/gray/teasers/ ]
A collection of brain teasers and riddles with a guess button. - [ Read more ]

Jigsaw Puzzle Tournament.us [ http://www.jigsawpuzzletournament.com/ ]
Organizes American and International tournaments. - [ Read more ]

Optical Illusions? [ http://www.anc.ed.ac.uk/~amos/opticalillusion.html ]
Comments on the terms 'Optical Illusion' and 'Visual Illusion'. - [ Read more ]

Ag Progess Days [ http://apd.cas.psu.edu/ ]
Annual event. Rock Springs, Pennsylvania. Schedule; pictures from past events; description of buildings, tents and exhibits; and contact information. Family entertainment includes a corn maze. - [ Read more ]

The Farm [ http://www.thefarm1.com/ ]
11 acre Corn Maze in Snohomish, Washington state in the shape of the state of Washington contains 200 actual roads and 250 places and towns with historical information. - [ Read more ]

Gaby Vanhegan [ http://vanhegan.net/sudoku/ ]
Daily and random puzzles at six difficulty levels, Flash and JavaScript solvers, solving techniques and glossary of terms. - [ Read more ]