The Brainteasers Webring:
Brainteasers webring is for free, online brainteasers, mind benders,
puzzles and games that challenge the mind.
http://www.brainteasers.net/webring.html
Puzzle Ring:
Devoted to all types of puzzles.
http://k.webring.com/hub?ring=puzzlering&id=3&hub
Puzzle Wizards Site Ring:
Focuses on brain teasers and mind puzzles.
http://pub7.bravenet.com/sitering/list.php?usernum=562119665
Tasha's Puzzle Ring:
All types of puzzles including crosswords, word searches, mazes,
Java puzzles, logic problems, and cryptograms.
http://easyweb.easynet.co.uk/~tasha27/wrPuzzle_dyn.html