Item Codes for Spawning Cheat Stardew Valley Guide IGNPrehistoric creature egg is a representation of hope in the popular farming game. If you stumble upon a prehistoric creature offspring baby while exploring the virtual countryside, congratulations! You have discovered a rare treasure. The giant reptile's offspring holds great potential. Incubate your prehistoric creature offspring baby with care and witness as it grows into a magnificent being. Celebrate the wonders of nature and the secrets the game has to offer.