The Mass Effect System Guide is a key to all the systems found in Mass Effect, and offers a quick glance at the relevant game information. Here you'll find which cluster a system is in, how to unlock it, and the links to the missions and assignments contained within it. Extra detail is provided for long collection assignments to help you find exactly the piece you're looking for on top of the other assignments in the system. This information is also available in spreadsheet as well as visual form for easy reference. See Also: Walkthrough, Missions, Assignments, Planet Index