American Crossword Tournaments - Directed by New York Times Crossword Puzzle Editor Will Shortz, this is the nation's oldest and largest crossword competition.

Sunday Crosswords - Featuring the Sunday crosswords of Merle Reagle (hand made for your enjoyment)

National Puzzler's League - The website of The National Puzzlers’ League

USA WEEKEND - Featuring Frame Games

KING FEATURES - Featuring Stickelers

Puzz.com - IQ tests, puzzles, trivia, games and more

Critical Thinking Press & Software - Featuring Brain Stretchers

Eyetricks.com - optical illusions, brain teasers, games, 3D images and other mind teasing oddities

CrossDown.com - The crossword development software for professionals and amateurs alike

Puzzling World of Barry R. Clarke - Stimulate your brain with original brain teasers

Rudy Rucker - Mathematician and author of 26 books

Livewire Puzzles - Specialists in the production and sales of wire disentanglement puzzles

International High IQ Society - Try a free IQ test from this global IQ society

Ken Duisenberg - New puzzles every week

Aha! Puzzles - Lloyd King's puzzles and games

Gamepuzzles.com - Kadon Enterprises, Inc., an online gallery of games and puzzles

Mathpuzzle.com - An abundance of recreational math games

Michael Michalko - Creative thinking and problem solving tools including ThinkerToys and ThinkPak

Puzzlers Paradise - A collection of mind boggling puzzles for all ages

Puzzle This - Specializing in puzzles of the mental disentanglement variety

Yoogi Games - Logic, puzzle and word games suitable for kids and adults

AARP - Visit the games area of this magazine web site for puzzles, brain teasers and more

Scott Kim - Designer of visual thinking puzzles for web and print

American Mathematical Society - A variety of mathematical resources

The Mathematical Association of America - Another source for mathematical information

National Council of Teachers of Mathematics - A great teacher's mathematical resource

Alphametic Maker - create your own alphametic ( also known as cryptarithms ) where numbers replace letters in word addition problems.

Puzzle Me This - puzzles, games, puzzle books, and curiously intriguing brainteasers.

Dover Publications - books, clip-art, puzzles, magic, and other wonderful stuff.

Jerry Slocum - undisputed king of mechanical puzzles.

Puzzle Box World - These people make beautiful Japanese puzzle boxes.

Cubic Dissection - Fascinating objects in fine wood.

123 Greetings - Greeting card puzzles and other greeting card treats.

3-D Models - Create, view on screen and build polyhedra with this amazing software

Play with your mind - A place to play logic, word and typing games plus many more

BrainBall - Play a daily series of mind games

Dot to Dot - What will you see when you connect the Dots?

SudokuPuzz- Many more Sudoku puzzles.

Cut the Knot - A site is for teachers, parents and students who seek engaging mathematics

Math Magic - a web site devoted to original mathematical recreations

Physics Homework Help - a web site devoted help with Physics homework - great.

Frame Games on Government site - a government website for kids with my Frame Games.

The Age of Puzzles - A Colorful Journey through Endless Patterns of Quick Wits

Spidron Planar Figures - The Spidron is a planar figure consisting of two alternating sequences of isosceles triangles

Figure 8 Torus - See these amazing surface curves by Paul Bourke.

 

.Terry Stickels' logo designed by Scott Kim

For even more of Terry's favorite sites click on the puzzle link to the left...