minato posted:

Also, there was the story about "Horses inside players in Ultimate Online". TLDR: Your backpack's contents was stored as a hack; it was a separate map with all your stuff in it (so they could easily position things when they displayed the contents). When they added support for riding horses, they added your horse to the backpack and added another hack so you didn't see it. But your horse would wander around the backpack's "map" eating your items and wandering into out of bounds areas.