RollerCoaster Tycoon is a simulation strategy computer game that features theme park management. Developed by MicroProse and Chris Sawyer and published by Hasbro Interactive, the game was released for Microsoft Windows on March 31, 1999 in North America and in Europe on April 12, 1999. Later that year, an expansion pack titled Corkscrew Follies (Added Attractions in Europe) was released. In 2000, a second expansion pack was released titled Loopy Landscapes.