: You can purchase RollerCoaster Tycoon: Deluxe on Steam, which includes the original game plus the Corkscrew Follies and Loopy Landscapes expansions.
: A preservation copy of the game is hosted on the Internet Archive for borrowing or streaming, though this is primarily for historical preservation. Free Alternatives & Community Projects RollerCoaster Tycoon®: Deluxe on Steam RollerCoaster Tycoon: Deluxe Free Download
: A DRM-free version is available on GOG , often recommended for its ease of use on modern Windows systems. : You can purchase RollerCoaster Tycoon: Deluxe on