This is the first expansion pack to be released for RCT3. It was released in 2005. The User can build water parks with different types of waterslides. He or she can also build swimming pools. A few water-themes attractions have been added as well as new shops. The number of scenarios available is doubled with this expansion pack. It also adds some new music to the game. This Expansion Pack came with the Hershey's Stormrunner and the Rollersoaker. Both based on coasters based on real coaster designs at Hershey Park somewhere in the U.S.A.