&gt;I always thought this would be very interesting way to have player generated content, where they would have to build defences to protect their player&#x2F;gold while offline. Other players could launch raids to try to steal it.<p>Not an MMO but the first-person survival&#x2F;crafting game Rust features that concept, your character sleeps on the ground when you&#x27;re offline and anybody is free to loot or kill you.
It gives a whole other dimension to the game, with players being assigned to defend a clan&#x27;s base at set hours and calling them in when the base needs defending, I&#x27;ve even seen people skip work early to defend against major raids.