Here are some suggestions of mine!
Day Counter: a counter showing how many days have passed since the tribe was created
Multiplayer Mode!: Able to make worlds that can either be private or public. Private would let you invite a friend to play in it. Public would be able to be accessed from anybody. When you join a
multiplayer world, it will show up in the worlds menu. Your tribe could interact with other people's tribes; Mate with other tribes, att