That was in 1997, a time when nearly all players were using dialup modems and server hardware was pitifully slow compared to today's. The attempted ecology was

That was in 1997, a time when nearly all players were using dialup modems and server hardware was pitifully slow compared to today's. The attempted ecology was no doubt very simple. UO's original designer, Raph Koster, recently announced a new MMO project where he intends to revisit many of those old simulationist ideas.