MyCharades.com (Popularity: )

Includes charades, riddles, and enigmas.
Category: Games\Puzzles

Puzzle Contest Center (Popularity: )

Riddles, brainteasers, cryptograms, anagrams, and logic puzzles. Compete in eight new contests monthly.
Category: Games\Puzzles\Brain Teasers

Blackjack Forum Online (Popularity: )

Arnold Snyder's discussion boards on blackjack.
Category: Games\Gambling\Blackjack

The Grey Labyrinth (Popularity: )

A beautifully illustrated collection of puzzles, riddles, and paradoxes. Features a changing "unsolved puzzle" plus three years worth of previous puzzles.
Category: Games\Puzzles\Brain Teasers

Theseus and the Minotaur Mazes (Popularity: )

A set of logic mazes - can you solve them all? [Java applet]
Category: Games\Video Games\Puzzle\Mazes

Bestfast Algorithm (Popularity: )

The Prolog language and an efficient heuristic searching technique is used to solve the Rubik's Cube
Category: Games\Puzzles\Mechanical\Rubik

The Algebra Game (Popularity: )

Play your Algebra with a full deck. Game decks include choices for linear and quadratic equations, conic sections, and trig. Official site to order the ...
Category: Games\Card Games\Special Decks\Algebra Game

Mastermind (Popularity: )

The history, images, and mathematics of the board game Mastermind.
Category: Games\Board Games\Abstract\Unequal Forces

Creative Teaching Associates (Popularity: )

Educational games for K-12. Offering activities for math, phonics, special ed, and gifted programs.
Category: Games\Shopping and Services\Educational

Hex Template Library (Popularity: )

David King's collection of edge-connection templates. Includes basic templates for rows two through six, as well as ladder and bridge templates.
Category: Games\Board Games\Abstract\Connection Games

The Contest Center (Popularity: )

Eight new puzzle contests monthly. Plus riddles, brainteasers, cryptograms, logic puzzles, crosswords, anagrams, alphametics, sweepstakes, and tongue twisters.
Category: Games\Puzzles\Crosswords\Contests

Cryptarithms (Popularity: )

Features online brain teaser puzzles in which the digits of a sum are replaced with letters or other symbols. Find the correct numerical digits for ...
Category: Games\Video Games\Puzzle\Browser Based

Dino Trilogy (Popularity: )

Contains three games: Dino Match (memory), Dino Numbers (math), and Dino Spell (spelling). Offers ordering information and download.
Category: Games\Video Games\Educational

American Bridge Series (Popularity: )

Description of the books in The American Bridge Series. Features an excerpt and information.
Category: Games\Card Games\Trick Capturing\Bridge

Division of Territory in Society (Popularity: )

Sociology-fluent designers will have a ball with Ed Stephan's population density research. For the rest of us, his notes on tribal territory sizes are enough ...
Category: Games\Roleplaying\World Building\Demographics

Holdem Hand Analysis (Popularity: )

Analyzes hands: how they are played, how they should be played.
Category: Games\Gambling\Poker\Texas Holdem

Microprizes (Popularity: )

Developer of on-line java-based games and activities.
Category: Games\Video Games\Browser Based\Developers and Publishers

Gallery of Mathematics / Self-referential Sentences (Popularity: )

Produced by Andy Burbanks. Good explanation with examples.
Category: Games\Puzzles\Self-Referential Sentences

RUBIK's CUBE-LIKE PUZZLES (Popularity: )

Permutation puzzle page of David Joyner. Contains links to some papers, student projects, lecture notes, and MAPLE programs on the Rubik's cube and related puzzles.
Category: Games\Puzzles\Mechanical\Rubik

Invitation to Mastermind (Popularity: )

Several interactive variants of the game, including strategies, tips, and math explanations.
Category: Games\Board Games\Abstract\Unequal Forces