Post and solve math puzzles, word puzzles, logic puzzles, chess puzzles, riddles, matchstick puzzles, rebus puzzles (like the one pictured here), puzzles best solved by computer programming, etc.

Post any kind of puzzles at any level of difficulty!

Also post recreational math problems in number theory, including, but not limited to, problems in prime numbers, Pythagorean triplets, Diophantine equations, Fibonacci numbers, perfect numbers amicable pairs, Smarandache 'notions', etc.

Also post ciphers of any type and level of difficulty, from simple cryptograms to Vigenere ciphers to plaintext encrypted in your own cipher inventions!

Also review and discuss games, books on puzzles and games, and links to puzzles and games web sites.

Also discuss famous puzzles like the Monty Hall puzzle and chat about famous puzzlists such as Sam Loyd, Henry Dudeney, Martin Gardner, Lewis Carroll (Charles Dodgson), Raymond Smullyan, Cliff Pickover, Ramanujan, etc.

Any member can post puzzles! All levels of puzzle are invited!

There will be no censorship, except for deletion of spam, nuisance links, and viruses.

Let's have fun!!!!!

This is the sister group of Ciphers and Cryptograms:
http://groups.yahoo.com/group/ciphers_and_cryptograms