Mass Effect is an action role-playing game developed by BioWare Edmonton for Xbox 360 and then ported to Microsoft Windows by Demiurge Studios. The Xbox 360 edition was released worldwide in November 2007 published by Microsoft Game Studios. The Windows edition was released on May 28, 2008, published by Electronic Arts. The game takes place in the year 2183, with the player assuming the role of an elite human soldier named Commander Shepard, set out to explore the Galaxy on a starship, the SSV Normandy.
In addition to plans for two sequels to complete a trilogy, BioWare plans to release episodic content online to fill in the story between each game, though these episodes are not essential for understanding the main plot line. The first of these downloadable content packages was released on March 10, 2008 for the Xbox 360, and July 29, 2008 for Windows.

Publishers Minimum System
Processor: 2.4+GHZ Intel or 2.0+GHZ AMD /
Display Card!: ATI 1300XT or better (X1550, X1600 Pro and HD2400 are below minimum system requirements) /
NVIDIA 6800GT or better
Memory: 1024MB
Free Disk Space: 12GB
Operating System: Windows XP or Vista