One Hour One Life Forums

Short answer: I didn't start playing this to play Battle Royale or League of Legends. I started playing this because it was an interesting survival game.

The longer answer is that wars are fought for many reasons but one thing they have to have is two groups ready to kill each other over one of them.
There are no maps so they can't find each other
There are no reasons to give loyalty to a town or family to fight for them
There isn't enough time for getting things ready to fight a war when you spend half-your life trying to make a bow and the other half travelling to the other town only to die of starvation because you couldn't bring enough food and the other town took out all the wild food earlier.

Also there just don't seem to be enough people. You have a huge world and not enough people in each one to concentrate them all close enough to start a war.  Even if I had a reason there is no map and no real fast travel enough to get to the other place to fight them over it. I would die half-way to most other towns and get bored sometimes or would die most times of a boar wound or snake bite because I can't carry enough stuff to heal myself on the way to fight others.

Your game isn't built for war and to be honest- if it was I probably wouldn't be playing it.