such as the bongo, secretarybird, ratel, and meerkat, and allows the player to drive through exhibits with African-themed jeep tours to get closer to them. The expansion pack also includes new maps based on well-known African locations, as well as new desert-themed buildings, lizard live food, and a new set of challenges and campaigns. The jeep vehicle tours originally included in Endangered Species are featured in this expansion, with the addition of the new Jeep Liberty. Dino Danger Pack (premium download) The Dino Danger Pack was released at the end of July 2006. The pack could only be downloaded from the Zoo Tycoon website via credit card. It added four new animals to the game: Tyrannosaurus, Triceratops, Carnotaurus, and Styracosaurus, as well as new objects to be used for them and a campaign game. The Dino Danger Pack could be purchased and downloaded at Zoo Tycoon premium downloads. Since the release of Zoo Tycoon 2: Extinct Animals, which includes more updated versions of all of the animals included in the pack, Dino Danger was taken offline from the Zoo Tycoon website and can no longer be downloaded there. However, other sites still offer this pack. Zookeeper Collection The Zookeeper Collection was released on October 17, 2006. Rather than being an expansion, it is more of a large combination pack featuring the Endangered Species and African Adventure expansions, as well as all animals and content from Zoo Tycoon 2. Marine Mania Released on October 17, 2006, Zoo Tycoon 2: Marine Mania features 20 new aquatic animals, new marine options, marine shows and several other new gaming features. The expansion also includes marine plants, the ability to build tanks, animal shows, mini games to teach some of the player's marine animals behaviors, and four new aquatic biomes (reef, coastal, pelagic, and benthic), and new scenarios and challenges. Changes have been made to the original method of biome layout allowing the ability to turn off rocks, flowers and/or trees, as well as enhancing water effects and improving the way animals move through water in a 3D space, updating the animals from the DLC, as well as various semi-aquatic animals from the base game, such as Nile crocodiles and polar bears. New animals range from the giant whale sharks to the tiny rockhopper penguins. Extinct Animals Zoo Tycoon 2: Extinct Animals was released on October 17, 2007. It is the latest expansion in the