Zoo Tycoon: Dinosaur Digs is an expansion pack

Expansion pack

An expansion pack, expansion set, or supplement is an addition to an existing role-playing game, tabletop game or video game. These add-ons usually add new game areas, weapons, objects, and/or an extended storyline to a complete and already released game...

 released for the PC game

Personal computer game

A PC game, also known as a computer game, is a video game played on a personal computer, rather than on a video game console or arcade machine...

 Zoo Tycoon

Zoo Tycoon

Zoo Tycoon is a business simulation developed by Blue Fang Games and released by Microsoft Game Studios. It is a tycoon game in which the player must run a zoo and try to make a profit. Although first released for Microsoft Windows and Macintosh in 2001, it was ported to the Nintendo DS in 2005...

. It included dinosaur

Dinosaur

Dinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of...

s and ice age

Ice age

An ice age or, more precisely, glacial age, is a generic geological period of long-term reduction in the temperature of the Earth's surface and atmosphere, resulting in the presence or expansion of continental ice sheets, polar ice sheets and alpine glaciers...

creatures, as well as prehistoric themed items.

Gameplay

Dinosaur Digs includes 20 new prehistoric animals to choose from including mammoths, saber-toothed cats, and varied dinosaurs as well as prehistoric-themed items and buildings. In addition, new types of electrical fences to accommodate the animals and prehistoric foliage have been introduced. As in the previous game, more extinct animals, foliage and better care for dinosaurs can be researched. Each of the animals comes as an egg, whereby a scientist is required to care for the egg, as well as the dinosaur, once it hatches.