at the cost of some wood cold and food you can came a small piece of land as a base, bases give small defense and offensive buffs, please build on this idea readers. :)

I have a problem: whenever I fight, people of the same team as me sit next to me. After I am done with battling, they steal from my resources (bodies = food, coin, wood.) I have a problem with this...I'm sure everyone does too. I would suggest adding a "kill = my resources fix," where you can only get resources from what you killed, farmed, hunted, etc. Kind of like Wilds.io's coins.

The song is quite haunting after a while. Can you add another? 

what does the water/stream/fountain in the middle of the map do? I was really hoping if I hung out there i could pray and make it rain or something - all resources were wiped out and one powerful enemy was just too strong, killed 3 tribes while idle.

Adding quest to get random resource will be fun. You can make the answer/key scattered all around the map, and players must explore to find them. 

The grey area is boring to look at. Why dont you add sand texture to fill it?

When we die, sometime we would like to just watch others player. 

At some point after playing for a while, I start being chased by groups of 4 or 5 barbarians. There is nothing I can do except fight them. This starts getting quite annoying especially if I have low health; I can't even get far enough away to heal myself before they're on top of me.

I understand this might be part of a balancing mechanic where the most powerful tribes have to deal with these barbarians. So if we can't get rid of the chasing barbs, maybe you could:

1. Slow down the chasing barbarians, making it easier for one to heal their tribe or put an enemy tribe between yourself and the barbs
2. Limit the time or distance over which they will chase you
3. Increase the barbarian respawn time so that at least the barbarian threat can be reduced after several large battles.

I might be really dumb, but how do you team up with other players? Is it based on color? I don't think I have ever seen a allied tribe...