(AU)CrossWordPrizes.com - Games of skill for cash prizes, including crosswords. Find new games daily and invest in site wealth creation opportunities.
Contest Center - Offers contests with cash prizes. Also includes crosswords, riddles, anagrams, cryptograms, and other word games.
MIT Mystery Hunt - Annual competition held at the Massachusetts Institute of Technology during the January Independent Activity Period (IAP). Challenges each team to solve a large number of puzzles which lead to a coin hidden somewhere on campus.
Newspaper Cryptogram and Contest - Compete in three daily cryptogram puzzle contests from the Daily Cryptogram, a part of the Minneapolis Star and Tribune newspaper.
Paradox of Pandora's Rombox - The key is on the inside, and you are not. Solve the paradox and receive a treasure.
Roadtrips - Interactive Web games where players who solve the puzzles are eligible to win ca$h and other cool prizes!
Todays Chuckle - Daily jokes, brain teasers and much much more. Win a free T-shirt in the brain teaser competition.