Originally released January 10, 2006 at Zoo Tycoon Unleashed   Updated: 10 March 2023 to add a combined ztd   Updated: August 11, 2010 to fix the LCID errors so that they do not crash for people who are not using English versions of ZT. Although updated in 2010, these were not rereleased until November 15   Compatibility : All Game Versions   I have combined my three map packs into one pack, containing 13 different maps. Africa, (North) America, (South)