Mass Effect Wiki
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Mass Effect Wiki

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 visual form for easy reference.

See Also: Walkthrough, Missions, Assignments, Planet Index

Argos Rho[]

Main article: Argos Rho

Gorgon System[]

Main article: Gorgon


Hydra System[]

Main article: Hydra


Phoenix System[]

Main article: Phoenix


Armstrong Nebula[]

Main article: Armstrong Nebula

Gagarin System[]

Main article: Gagarin


Grissom System[]

Main article: Grissom


Hong System[]

Main article: Hong


Tereshkova System[]

Main article: Tereshkova


Vamshi System[]

Main article: Vamshi


Artemis Tau[]

Main article: Artemis Tau

Athens System[]

Main article: Athens


Knossos System[]

Main article: Knossos


Macedon System[]

Main article: Macedon


Sparta System[]

Main article: Sparta


Attican Beta[]

Main article: Attican Beta

Hercules System[]

Main article: Hercules


Theseus System[]

Main article: Theseus


Exodus Cluster[]

Main article: Exodus Cluster

Asgard System[]

Main article: Asgard


Utopia System[]

Main article: Utopia
  • Scannable from Normandy
    • Nothing
  • Missions on Eden Prime
    • This is a mission world, and can only be visited at the beginning of the game. For more information, please see the walkthrough.


Gemini Sigma[]

Main article: Gemini Sigma

Han System[]

Main article: Han


Ming System[]

Main article: Ming


Hades Gamma[]

Main article: Hades Gamma

Antaeus System[]

Main article: Antaeus


Cacus System[]

Main article: Cacus


Dis System[]

Main article: Dis


Farinata System[]

Main article: Farinata


Plutus System[]

Main article: Plutus


Hawking Eta[]

Main article: Hawking Eta

Century System[]

Main article: Century


Horse Head Nebula Cluster[]

Main article: Horse Head Nebula

Fortuna System[]

Main article: Fortuna


Pax System[]

Main article: Pax


Strenuus System[]

Main article: Strenuus


Kepler Verge[]

Main article: Kepler Verge

Herschel System[]

Main article: Herschel


Newton System[]

Main article: Newton


Local Cluster[]

Main article: Local Cluster

Sol System[]

Main article: Sol


Maroon Sea[]

Main article: Maroon Sea

Caspian System[]

Main article: Caspian


Matano System[]

Main article: Matano


Vostok System[]

Main article: Vostok


Pangaea Expanse[]

Main article: Pangaea Expanse

Refuge System[]

Main article: Refuge
  • Unlocked shortly after finding Dr. Liara T'Soni and completing the missions on Feros, Noveria, and Virmire. Please see the Mass Effect Guide for more information.
  • Scannable from Normandy
Nothing


Sentry Omega[]

Main article: Sentry Omega

Hoc System[]

Main article: Hoc
  • Unlocked when council gives coordinates for Virmire
  • Scannable from Normandy
Nothing


Serpent Nebula[]

Main article: Serpent Nebula

Widow System[]

Main article: Widow
  • Scannable from Normandy
    • Nothing
  • This is the home of the Citadel. Many assignments can be completed here, some of which depend on your character's background selections. Please see the assignments page for a complete list.


Styx Theta[]

Main article: Styx Theta

Acheron System[]

Main article: Acheron


Erebus System[]

Main article: Erebus


Voyager Cluster[]

Main article: Voyager Cluster

Amazon System[]

Main article: Amazon


Columbia System[]

Main article: Columbia


Yangtze System[]

Main article: Yangtze