Caveman Survival (working title)

This is a super, super, extremely super, build for a survival caveman game that I only have (tons of) concepts for. I dont know exactly where Im gonna go with this but as of right now I am just implementing the basic survival aspects. I plan on this being a mmo type game where you can choose a faction (species of caveman) who each have certain abilities their good at and a class (hunter, shaman, ect.) But for now its a small test map and basic hunger, thirst, health. stamina, and temp bars (althought you cant actually drink or eat yet)