Knight Online (aka USKO) is an old school point-and-click fantasy MMORPG set in the world of Carnac with two warring nations, El Morad and Karus. The game has a huge playerbase and an emphasis on PvP.
Release Date: August 17, 2004 (NA)
PvP: Duels, Siege War, Faction War, Battlefield
Pros: +Varied PvP options. +Huge community. +Regular events.
Cons: -Dated visuals/interface. -Poor English translations. -Almost no appearance customization.