Description: You'll make a huge splash by adding killer whales, manta rays, and other exciting marine animals to your existing zoo. Have a whale of a time as you combine land, marine, and prehistoric animals to build the wildest, most exciting zoo ever! The newest expansion pack to the top selling Zoo Tycoon franchise will provide more than 20 new marine animals (dolphin, great white, giant squid), customized aquatic shows such as the dolphin and killer whale shows, a ton of new objects, and 10 new scenarios. [Microsoft]