Puzzle Contest Center - Riddles, brainteasers, cryptograms, anagrams, logic puzzles, and more. Compete in 8 new contests monthly.

The Grey Labyrinth - A beautifully illustrated collection of puzzles, riddles, and paradoxes. Features a changing "unsolved puzzle" plus three years worth of previous puzzles.

Confusion - Its a challenge to reach the end of this puzzle maze.

Brain Juice - An assortment of entertaining puzzles that can be solved using logic.

Puzzability - Some real mind benders here

BrainVista - Collection of solved and unsolved brain teasers.

Wordles! - Get free cryptograms, create your own, and look up crossword puzzle words.

Purple Hunt - A fun site for puzzles, free games, treasure hunts, cryptograms and intrigues. Prizes for winners.

The Brainteasers Network - Brainteasers, puzzles and games that challenge the mind.

A Game A Day - A puzzle site featuring a new puzzle format each weekday for each month. Puzzles are fun, educational, entertaining and are also printable.

National Puzzlers' League - Crosswords & other word puzzles and games, samples; monthly puzzle magazine; 800,000 word searchable list.

The Stone - an online mystery game. Hours of clever puzzles and riddles. Puzzles challenge the mind of serious and amateur players worldwide.

Braingle - Tangles the brain with user submitted and user ranked brain teasers, mind puzzles and riddles.

Rec.puzzles Archive - An archive of many popular puzzles from the rec.puzzles newsgroup.

ButlerWeb - A page of about 30 brain teasers. Answers are hidden in drop down screens.

Puzzles on Seniority - Riddles, mind benders and puzzles on Seniority.

Toon and a Mindtrap - Answer the daily brain teaser emails to become Mindtrapper of the month.

The Puzzle Meisters - Features puzzles and mysterious enigmas along with a few trivia questions here and there.

Planetarium - An on-line puzzle story in twelve weekly installments.

Abnorm's Conundrums - Easy, medium and difficult brain teasers without answers.

Online Adlibs - This is a silly word puzzle riddle that you make up, with your own words.

Bill's Brain Teasers - Many clever visual and linguistic riddles.

Nonogram Solver - Information about Nonogram logic puzzles and how to solve them, plus examples of two on-line solvers, software, and links.

The Stupidity Test - Take the fun Stupidity Test and find out how smart or stupid you are.

iRIDDLER - Challenge your mind with free online riddles/puzzles, logic games, brain teasers and view optical illusions.

The Ultimate Thinking Puzzler - Discover who killed Ronald Opus in this contorted thinking puzzle.

Wilesworld.com - Brain Zone contains easy and hard riddles, brain teasers and trivia with over twenty pages to keep your brain busy.

Logic Puzzles for Students - Try a puzzle (with answers) and obtain information about ordering more of the same.

Say What You See! - Collection of visual brain teasers which can be solved by saying what you see.

Mind Teasers - Jumbled words that can be read as everyday words or phrases.

Just Riddles and More - Riddles, illusions, puzzles, brain teasers, and other entertainment for your brain.