Zoo Tycoon 2 is a business simulation video game developed by Blue Fang Games and published by Microsoft Game Studios and MacSoft. Originally released for Windows, Zoo Tycoon 2 is also available for Windows Mobile, PDA, and Mac OS X, although expansions are not included in the Mac version. A Nintendo DS version, titled Zoo Tycoon 2 DS, was released in 2008. Zoo Tycoon 2 features similar gameplay as its predecessor, Zoo Tycoon. The object of the game is to build and operate a zoo by creating exhibits and aquariums, keeping guests and animals happy, and maintaining employees, finances, terrain, and scenery.