Please Note: This guide does not always provide the fastest possible route through the game. It is intended for those who want to enjoy the complete Mass Effect experience, and includes many optional items that are not required to complete your adventure. The walkthrough is also not spoiler-free, as it is intended to provide a reference to players who may be confused about certain plot points.
The Walkthrough is divided into three sections. The first is the Primary Mission Walkthrough, detailing the main story in which Shepard must save the galaxy. This section includes some optional components, but these tasks will be designated as such and you may skip them at your discretion.
The next section is for Optional Assignments, and details every side mission in the game. Assignments that deviate from the main path will be included in this section.
Finally, the last section consists of a brief listing of all possible Codex entries and how to acquire them.
Your adventure begins on the command deck of the SSV Normandy, the most advanced System Alliance starship ever created. You are Commander Shepard, a promising officer in the Alliance Navy, who has been tasked with overseeing the ship as it is put through its paces...
This section takes you through the primary mission. There are many steps involved, some of which are optional.
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