Acrostic
All-Star mini Crostics, CRpuzzles, JavAcrostic Cafe, JGames, Puzzability, Sloth2toed, Sue Gleason's
24 Hour Museum
Online crossword puzzle themed around museums, galleries, and culture. Also offers a printable version.
Anagram Crosswords
Crossword puzzles in which clues are anagrams.
Crosswords
Online crosswords created automatically.
Crosswords and Word Puzzles
Find online crosswords, access software to write your own puzzles. Includes logic problems, palindromes, cryptics, and foreign-language crosswords. From About.com.
Motor-Cross Automotive Crossword Puzzles
Interactive java crossword puzzles relating to the automotive community.
Thinks.com
Many puzzles to choose from: crosswords, anagrams, doublets, trivia, math and word searches.
USA Today Crosswords
Daily Flash puzzle offered at two skill levels. Includes archive of past puzzles.