Zoo Tycoon

Zoo Tycoon is a business simulation game developed by Blue Fang Games and released by Microsoft for Microsoft Windows and Macintosh in 2001. A version for the Nintendo DS was released in 2005, called Zoo Tycoon DS. It was followed by two expansion packs, Dinosaur Digs and Marine Mania, which were released in 2002, as well as a sequel, Zoo Tycoon 2, released in 2004.