Sprites file used by Rollercoaster Tycoon, a roller coaster creation video game; contains small images called "sprites" that are used for graphics and visual effects within the game.
Program(s) that open ovl files
Mac / Windows: Atari RollerCoaster Tycoon 3
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/ovl
