RollerCoaster Tycoon is a series of construction and management simulation games about building and managing an amusement park. Each game in the series challenges players with open-ended amusement park management and development, and allowing players to construct and customize their own unique roller coasters and other thrill rides.

RollerCoaster Tycoon is a 1999 construction and management simulation video game themed around amusement parks. Developed by Chris Sawyer and published by Hasbro Interactive, the game was released for Windows in 1999 and was later ported to the Xbox by Infogrames in 2003. It is the first game in the RollerCoaster Tycoon series.