There are five tribes of creatures in Chaotic: OverWorld, UnderWorld, Danian, Mipedian and M'arrillian. The OverWorld is a tribe made of various humanoid creatures and creatures which resemble real animals. The UnderWorld is a tribe which consists of creatures which resemble various monsters. Danians are usually made to resemble ants but there are some creatures based on other insects found within the tribe. Mipedians are a tribe which is made of creatures who resemble various lizards. The M'arrillians are a tribe which resembles various deep sea creatures, some of which have a see-through appearance such as that found in a jellyfish.