that promo codes may expire or only be active for a short period of time, so make sure to use your code right away. Fortunately, there will never be any codes for, albino Terror or, megavore because they are not skins, unlike other animals with a code which are only skins. Gameplay sponsored by: Loading 0 - Starting game.Chicken Engineer would have informed the followers on his Twitter. These include, but not limited to: Yutashu, Twitter Ornithomimus, Freedom Eagle Balaur, and Avimimus Dodo. Developer Dinosaurs, as these are only for developers, hence the name. Classic, promo Code, button, current, promo Code, button. Current Promo Codes List, code ID, name.