The Polynesian Cultural Center and Get Away Today Vacations are sponsoring the "Tiki Wisdom Challenge," a cute online game where friends can challenge each other and win a free trip to Hawaii.
Players answer five questions about themselves from a list of topics -- their birth city, pet's name, favorite movie, etc., then the website emails the player's friends the clues. The friends then guess the identity of the player from the clues.
The contest ends May 31, 2007.
Update: The link above has been updated to point to the correct server.