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Missions advance the main storyline in Mass Effect, Mass Effect 2, Mass Effect 3, Mass Effect: Infiltrator, and Mass Effect: Andromeda. The list contains all of the missions available within the game, and indicates how their names will change as the story progresses. Click on the links below for detailed walkthroughs.

Note: Most mission names below are linked to the relevant section of the walkthrough rather than their own pages. Because of the intertwined nature of most missions, the link may not lead to a section specifically about the mission name but you will certainly find relevant information.

See also: Assignments, Mass Effect Guide, Mass Effect 2 Guide, Mass Effect 3 Guide, Mass Effect System Guide, Storyline

For an alphabetical list of missions see Category:Missions; for locations see Category:Mission Locations.

Mass Effect[]

See also: Mass Effect Guide

Missions are listed mostly in the order they are received although some of the name updates happen after you receive another mission. Note that these missions are listed as the initially appear in the Journal, the names of missions do change as the game progresses.

Feros: The ThorianFeros: Colony Saved | Feros: Colony Gone
Virmire: Assault
Race Against Time: Sovereign
Race Against Time: Conduit
Race Against Time: Final Battle

Mass Effect Galaxy[]

See also: Mass Effect Galaxy Guide

The following missions represent the plot progression of the game Mass Effect Galaxy. They are sorted by order even if you can sometimes choose via the Galaxy Map which missions you prefer to start.

Mass Effect 2[]

See also: Mass Effect 2 Guide

Plot missions[]

These are the missions corresponding to the main story line, in time order (considering the earliest time you can acquire them). To clarify the time line, the main "Stop the Collectors" mission has been divided into its different sub-parts, as they appear when developing it in the Journal.

Prologue: Awakening
Stop the Collectors: Defeat the Collectors
Collector Base: Infiltration
Collector Base: The Long Walk
Collector Base: Final Battle (no formal Journal entry)


Dossier missions[]

The Illusive Man provides Commander Shepard with several leads on potential teammates.

Available after completing Freedom's Progress:

Available after completing Horizon:

Loyalty missions[]

Loyalty missions may be skipped. This will not hinder the progression of the main story line. However, you should be aware that doing this could seriously impact the performance of your team and alter the final outcome.

Optional missions[]

Illium: Liara: The Observer

Downloadable Content[]

Mass Effect 3[]

See also: Mass Effect 3 Guide

Mass Effect 3 classifies all journal items as missions. However, they are still categorized according to story relevance and optionality.

Plot Missions[]

Missions are listed in the order they are received. The "Priority" missions in this list are mandatory to complete the game; of the two pairs preceding Priority: Tuchanka and Priority: Rannoch you need only complete one of each pair.

Galaxy at War Missions[]

None of the following missions are required to complete the game, although they will significantly increase your military preparedness for the final battle.

Downloadable Content Missions[]

Mass Effect 3: From Ashes

Mass Effect 3: Leviathan

Mass Effect 3: Omega

Mass Effect 3: Citadel

Mass Effect: Infiltrator[]

See also: Mass Effect: Infiltrator Guide

Plot Missions[]

Bonus Missions[]

Mass Effect: Andromeda[]

Main article: Missions (Mass Effect: Andromeda)

Similar to Mass Effect 3, in Mass Effect: Andromeda all journal items are missions and further classified according to story relevance and optionality. The mandatory missions are called Priority Ops. These are main story missions and are required to complete the game.

Priority Ops[]

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