Side Missions in Mass Effect 3 serve as the game's optional quests. Side Missions do not advance the main story and are not required to complete the game. However, completing them can offer context and backstory that help the player understand the inner workings of the game's universe and the interactions between its various Races. Side Missions are also a good source of additional experience, loot, as well as War Assets which are an important resource that tie into your Galactic Readiness Rating and can affect the outcome of the main campaign's final battle.

Note that several Side Missions are progress-sensitive and become unavailable for the rest of the game after certain conditions are met, usually after completing specific Main Missions from the campaign. These will be detailed on the individual Side Mission page, as well as any related Main Mission pages.



All Side Missions in Mass Effect 3




Downloadable Content Missions


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