MMO

ArchLord was a 3D fantasy MMORPG developed by NHN Corporation and Codemasters Online Gaming (COG).

Synopsis: Scientists have located a wormhole that leads to another galaxy and almost directly to an inhabitable planet. A couple of teams of scientists and platoons of soldiers are sent through to study and bring back technology to Earth to help the quality of life and prevent it's demise. The wormhole closed up shortly after arriving, causing different ideals to form into factions on the new planet Auraxis.

The MMORPG based on the LOTR universe. The game is set just before the launching of the Fellowship.

Silkroad Online is a free MMORPG game. It combines pretty graphics, lots of Engrish and reasonable fun. Your character becomes a Trader, Hunter or Thief and you do your job - leading a caravan, protecting a caravan or ambushing a caravan - in the setting of ancient Chinese Silk Road. Or you just grind your way to higher levels and better items by slaughtering gazzilions of mythological creatures.

Free-to-play online FPS, which had widescreen support at one time. Is anyone still playing this?

Yohoho! Puzzle Pirates is an addicting 2D MMOPG (MMO Puzzle Game) from Three Rings Designs. The game offers both free game play, and pay options. In addition, it offers International Seas (Servers) and is available for Windows, Mac, and Linux. Finally, the game offers full-screen and window gameplay.

Bang! Howdy is a 3D online strategy game, in a steam-powered wild west world, from Three Rings Designs. It is available for Windows, Mac, and Linux; and offers full-screen and window gameplay.

Second Life is an online virtual world developed by Linden Lab which was launched on June 23, 2003. A number of free client programs called Viewers enable Second Life users, called Residents, to interact with each other through avatars. Residents can explore the world (known as the grid), meet other residents, socialize, participate in individual and group activities, and create and trade virtual property and services with one another. Second Life is intended for people aged 13 and over, and as of 2011 has more than 20 million registered user accounts.

Vanguard: SOH is the MMORPG from Sigil Online. Unfortunately it is no longer online.

Hero Online is a completely free MMORPG. Free to play, and free to download