- Roadtrips
Interactive Web games where players who solve the puzzles are eligible to win ca$h and other cool prizes!
www.roadtrips.com
- Contest Center
Offers contests with cash prizes. Also includes crosswords, riddles, anagrams, cryptograms, and other word games.
www.contestcen.com
- Todays Chuckle
Daily jokes, brain teasers and much much more. Win a free T-shirt in the brain teaser competition.
todayschuckle.com
- Newspaper Cryptogram and Contest
Compete in three daily cryptogram puzzle contests from the Daily Cryptogram, a part of the Minneapolis Star and Tribune newspaper.
www.cahlander.com/crypto/today.cgi
- 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.
web.mit.edu/puzzle
- Paradox of Pandora's Rombox
The key is on the inside, and you are not. Solve the paradox and receive a treasure.
rombox.com/frame.html
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