Always enjoyed your old treehouse in the garden?
Then this is the perfect world for you!

This is my first project, and not the best.
It took many hours[main reason is because my friend was spawning blazes when it was almost done...]
Survivalling here will be very entertaining.
You can shoot all mobs from the higher parts of the tree town.
Many fun, shooting all those mobs and trading with the villagers inside.

Good luck, and send those suggestions!