Click the "Research" button in the Gene Lab menu, then click the "Build Animal" button on your main toolbar. Prehistoric animals will now appear where the default animals normally appear. They cost a lot of money. For example, the Basilos costs $10 million.
Wildlife Zoo
Assassin's Creed III Preview
Dragon's Dogma
Ghost Recon
Borderlands 2
Epic Mickey 2: The Power of Two
Lost Planet 3
Happy Birthday
