Ultima Online (UO) is a fantasy massively multiplayer online role-playing game (MMORPG) released on September 24, 1997 by Origin Systems. Set in the Ultima universe, it is known for its extensive player versus player combat system. Since its release, it has added eight expansion packs, a booster pack and dozens of free content updates. The release of Ultima Online: Kingdom Reborn in 2007 brought a new game engine with upgraded visuals. Ultima Online continued the tradition of previous Ultima games in many ways, but due to advancing technology and the simple fact that it was Origin's first persistent online game, many new game mechanics appeared. Partially designed as a social and economic experiment, the game had to account for widespread player interaction as well as deal with the tradition of players feeling as if they were the center of attention, as had been the case in single-player games. Ultima Online began with a single world, with specific expansion packs adding additional territory and new worlds. The second world was the "Lost Lands", often referred to by players as T2A due to the expansion's name, "The Second Age", with additional land, dungeons, creatures, and terrain. The third was Trammel, which was a mirror of the original Ultima Online map. The release of trammel led the developers to distinguish the original world by making the environment more grim, and naming it "Felucca". The two kinds of servers were "normal" servers with both Trammel (consensual PVP) and Felucca (non-consensual PVP) ruleset and "siege" servers with non-consensual PVP and no item insurance. Siege servers support one character slot on an account, limits to ways of traveling and have other rules which generally make them more challenging than other servers. The worlds in Ultima Online include: Felucca — The original world, which evolved to include dead trees and tombstones to distinguish. It has a harsher rule set where player killing is more common. Trammel — Supported a rule set that does not allow non-consensual PVP and includes additional open land for player housing.
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