MMO

Free-to-play MMO racing game in the Need For Speed franchise.

APB: All Points Bulletin is a Multiplayer online video game for Microsoft Windows based in urban sprawls and featuring two sides, Enforcers and the Criminals. Players may join either the Enforcers or the Criminals, and form sub-groups in these.

World of Tanks is a free-to-play World War II based tank MMO. You are a permanent resident of your tank and engage in various tank on tank battles in upgradeable WWII era tanks.

Stand alone expansion pack for Sonic Team's internationally popular online RPG Phantasy Star Universe

Star Wars Galaxies was the first massively multiplayer Star Wars online role-playing game, released 26 June, 2003. It has gone through 3 major revamps to the entire game since it launched.

Global Agenda is an online team-based game by Hi-Rez Studios developed using Unreal Engine 3. The game was re-released as a free-to-play game, introducing Elite and Free Agents in addition to an in-game cash shop featuring Agenda Points. It mixes a science-fiction setting with a secret agent backdrop, leading the developers to refer to the game genre as spy-fi.

Aion is a visually stunning massively multiplayer online roleplaying game (MMORPG) where your character wields devastating powers and sweeping wings to explore a celestial world of breath-taking beauty and epic adventure. It features cutting-edge imagery, gorgeous environments, and a unique fantasy world. Your character plays a pivotal role in the fate of Atreia, where the enemy is not only the other player faction but a deadly ancient evil as well.
In February 2012 Aion became Free to Play!

New MMO based on the Champions pen & paper RPG.

Call of Juarez: Bound in Blood is a Western themed shooter from Techland and Ubisoft, and the second game in the Call of Juarez series. You play as one of two brothers, Ray and Thomas, and the other one is computer controlled. Gameplay mainly consists of shooting your way through a bunch of levels that look like sets from A Fistful of Dollars and The Good, the Bad, and the Ugly.