From the site:
SALE! 99 cents for a limited time only!
Get your gear together and start preparing yourself for the upcoming Hidden Expedition: Amazon by playing the smash hit Hidden Expedition: Titanic for only 99 cents! This price is valid only through May 29th, 2008.
Game Club members with Express Checkout need to deactivate it: Deactivate Express Checkout FAQ
Follow these simple steps to claim your discount.
Click the 'BUY' button
Sign-In or create a new account
Select the $19.99 price option
Cut and paste this coupon code into the box: TITANIC99
I've played the game as a demo and it's OK. One of the older Hidden Object games, which have improved over time, but not a bad one for 99 cents.
Keri