Java Treasure Hunt.

[Sam Mercs]

From the site "....unique about this treasure hunt is everything about it is Java. You run around collecting and solving Java clues. The hunt is primarily aimed at those who are new to Java but should be fun even for experienced folks!"

The link -- http://www.treasurehunt.quiz4j.com/

*** Disclaimer: I'm not sure if I should be posting this here or the Blatant Advertisement forum ***