The Cruanis Period is when dinosaurs ruled and you have to live under rocks or in caves. Many dinosaurs can kill you and you must chase then away with stone spears or swords.
Mobs[]
T-Rex
Triceratops
Ankylosaurus
Brachiosaurus
Velociraptor
Stegosaurus
Troodon
Spinosuarus
Stygimoloch
Parasaurolophus
Fish
Caveman
Surviving[]
Kill dinosaurs to get meet. You cant punch trees so you must trade/get a axe to get wood.