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• Mass Effect Official Site

Mass Effect™is a science-fiction action-roleplaying game (RPG) created by BioWare, the commercially and critically acclaimed RPG developer of Jade Empire™, Star Wars®: Knights of the Old Republic™, Neverwinter Nights, and the Baldur's Gate series. Mass Effect delivers an immersive story-driven gameplay experience with stunning visual fidelity.

Published by Microsoft Game Studios, Mass Effect is exclusive to the Xbox 360™ video game system. As the first human Specter—sworn defenders of galactic peace—your mission is to halt the advancing armies of a legendary agent gone rogue. As you lead your elite team across hostile alien worlds, you discover the true threat is far greater than anyone imagined.

• Award-winning developer: BioWare is back with Mass Effect, an innovative next-generation action-RPG set in an expansive universe that invites you to explore it as you fight to maintain peace in a threatened galaxy.
• Explore the universe: Set 200 years in the future, Mass Effect immerses you in an enormous and diverse galactic environment where you discover and explore new worlds. Your decisions and actions affect and shape the destiny of all life in the galaxy.
• Immersive story line: Mass Effect takes advantage of the Xbox 360 next-generation hardware and services to provide an incredibly deep and immersive role-playing experience through its integration of eye-catching, photo-realistic high-definition graphics; engaging, lifelike characters with depth; and a rich story line in the BioWare tradition.