Game Dev Tycoon is a business simulation video game developed and published by Greenheart Games. It was followed by two expansion packs, Zoo Tycoon: Dinosaur Digs and Zoo Tycoon: Marine. Although first released for Microsoft Windows and Macintosh in 2001, it was ported to the Nintendo DS in 2005.

Zoo Tycoon is a business simulation game developed by Blue Fang Games and released by Microsoft.Zoo Tycoon is a tycoon game in which the player must run a zoo and try to make a profit.