> dynamic populations that interact with each other It feels like every open-world game dreams of this, and backs up on it. The problem is you need so many thi

> dynamic populations that interact with each other It feels like every open-world game dreams of this, and backs up on it. The problem is you need so many things to go right for it to work and be fun. * It needs to be resilient to player shenanigans * It needs to respond to player actions * It needs to be coherent and connect to the actual gameplay * It needs to reward player interaction while not breaking the economy That's a pretty tall order when most MMOs struggle to even motivate the existence of simple NPC vendors.