Mass Effect System Guide

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.

See Also: Walkthrough, Missions, Assignments, Planet Index

Argos Rho[]

Main article: Argos Rho

Gorgon System[]

Main article: Gorgon

Unlocked as part of UNC: Depot Sigma-23
Scannable from Normandy
- Nothing
Assignments on Unidentified Space Facility
- UNC: Depot Sigma-23

Hydra System[]

Main article: Hydra

Scannable from Normandy
- UNC: Turian Insignias
- UNC: Valuable Minerals, 1x Gas
Assignments on Metgos
- UNC: Distress Call
- UNC: Valuable Minerals, 1x Heavy Metal, 1x Rare Element
- UNC: Turian Insignias

Phoenix System[]

Main article: Phoenix

Scannable from Normandy
- UNC: Prothean Data Discs
- UNC: Valuable Minerals, 1x Light Metal, 1x Rare Element
Assignments on Tuntau
- UNC: Asari Writings
- UNC: Valuable Minerals, 1x Heavy Metal, 1x Light Metal
- Wrex: Family Armor

Armstrong Nebula[]

Main article: Armstrong Nebula

Gagarin System[]

Main article: Gagarin

Scannable from Normandy
- UNC: Asari Writings
- UNC: Valuable Minerals, 1x Light Metal
Assignments on Rayingri
- UNC: Geth Incursions
- UNC: Locate Signs of Battle, Medallion
- UNC: Valuable Minerals, 1x Light Metal, 2x Rare Elements

Grissom System[]

Main article: Grissom

Unlocked as part of UNC: Geth Incursions
Scannable from Normandy
- UNC: Locate Signs of Battle, Medallion
- UNC: Valuable Minerals, 1x Light Metal, 1x Rare Element
Assignments on Solcrum
- UNC: Asari Writings
- UNC: Geth Incursions
- UNC: Valuable Minerals, 1x Light Metal, 2x Rare Element

Hong System[]

Main article: Hong

Scannable from Normandy
- UNC: Asari Writings
- UNC: Valuable Minerals, 1x Light Metal
Assignments on Casbin
- UNC: Geth Incursions
- UNC: Locate Signs of Battle, ID Tag
- UNC: Valuable Minerals, 1x Heavy Metal, 2x Rare Elements

Tereshkova System[]

Main article: Tereshkova

Scannable from Normandy
- UNC: Locate Signs of Battle, Medallion
- UNC: Valuable Minerals, 2x Heavy Metals
Assignments on Antibaar
- UNC: Geth Incursions
- UNC: Prothean Data Discs
- UNC: Valuable Minerals, 2x Light Metal, 1x Heavy Metals

Vamshi System[]

Main article: Vamshi

Scannable from Normandy
- UNC: Turian Insignias
Assignments on Maji
- UNC: Geth Incursions
- UNC: Turian Insignias
- UNC: Valuable Minerals, 2x Light Metals, 1x Rare Element

Artemis Tau[]

Main article: Artemis Tau

Athens System[]

Main article: Athens

Scannable from Normandy
- UNC: Turian Insignias
- UNC: Valuable Minerals, 2x Gas
No landable objects in system.

Knossos System[]

Main article: Knossos

Scannable from Normandy
- UNC: Locate Signs of Battle, Medallion
- UNC: Valuable Minerals, 1x Gas, 1x Heavy Metal
Missions on Therum
- Therum is a mission world. Please see the walkthrough for more information.

Macedon System[]

Main article: Macedon

Scannable from Normandy
- UNC: Asari Writings
- UNC: Valuable Minerals, 1x Gas, 1x Light Metal
Assignments on Sharjila
- UNC: Asari Diplomacy
- UNC: Asari Writings
- UNC: Valuable Minerals, 1x Light Metal, 2x Rare Elements

Sparta System[]

Main article: Sparta

Scannable from Normandy
- UNC: Prothean Data Discs
- UNC: Valuable Minerals, 1x Gas, 1x Rare Elements
Assignments on Edolus
- UNC: Locate Signs of Battle, ID Tag
- UNC: Missing Marines
- UNC: Valuable Minerals, 1x Light Metal, 1x Heavy Metal, 1x Rare Elements

Attican Beta[]

Main article: Attican Beta

Hercules System[]

Main article: Hercules

Scannable from Normandy
- UNC: Locate Signs of Battle, Medallion
- UNC: Valuable Minerals, 1x Heavy Metal
Assignments on Eletania
- UNC: Lost Module
- UNC: Valuable Minerals, 2x Heavy Metals

Theseus System[]

Main article: Theseus

Scannable from Normandy
- UNC: Prothean Data Discs
- UNC: Valuable Minerals, 1x Light Metal
Missions on Feros
- Feros is a mission world. Please see the Feros Walkthrough for more information.

Exodus Cluster[]

Main article: Exodus Cluster

Asgard System[]

Main article: Asgard

Unlocked as part of the first downloadable content for Mass Effect, Bring Down the Sky.
Scannable from Normandy
- Nothing
Missions on Asteroid X57
- This is a mission world. For more information, please see Bring Down the Sky.

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

Unlocked as part of UNC: Hostile Takeover
Scannable from Normandy
- UNC: Asari Writings
- UNC: Valuable Minerals, 1x Light Metal
Assignments on Mavigon
- UNC: Hostile Takeover
- UNC: Locate Signs of Battle, ID Tag
- UNC: Valuable Minerals, 1x Light Metal, 1x Heavy Metal

Ming System[]

Main article: Ming

Scannable from Normandy
- UNC: Locate Signs of Battle, Medallion
- UNC: Valuable Minerals, 1x Light Metal
Assignments on the MSV Worthington
- UNC: Lost Freighter

Hades Gamma[]

Main article: Hades Gamma

Antaeus System[]

Main article: Antaeus

Scannable from Normandy
- UNC: Asari Writings
- UNC: Valuable Minerals, 1x Gas, 1x Rare Element
Assignments on Trebin
- UNC: Missing Survey Team
- UNC: Turian Insignias
- UNC: Valuable Minerals, 2x Rare Elements

Cacus System[]

Main article: Cacus

Unlocked as part of UNC: Besieged Base
Scannable from Normandy
- UNC: Valuable Minerals, 1x Heavy Metal, 1x Rare Element
Assignments on Chohe
- UNC: Asari Writings, 3*
- UNC: Besieged Base
- UNC: Valuable Minerals, 1x Heavy Metal, 1x Rare Element

Dis System[]

Main article: Dis

Unlocked as part of UNC: Hostile Takeover
Scannable from Normandy
- UNC: Turian Insignias
- UNC: Valuable Minerals, 2x Light Metals
Assignments on Klensal
- UNC: Hostile Takeover
- UNC: Locate Signs of Battle, Medallion
- UNC: Valuable Minerals, 1x Light Metal, 1x Heavy Metal

Farinata System[]

Main article: Farinata

Scannable from Normandy
- UNC: Prothean Data Discs
- UNC: Valuable Minerals, 1x Light Metal, 1x Rare Element
Assignments on MSV Ontario
- UNC: Hostage

Plutus System[]

Main article: Plutus

Unlocked as part of UNC: The Negotiation
Scannable from Normandy
- UNC: Valuable Minerals, 2x Rare Elements
Assignments on Nonuel
- UNC: Asari Writings
- UNC: Locate Signs of Battle, Medallion
- UNC: The Negotiation
- UNC: Valuable Minerals, 1x Light Metal, 1x Rare Element

Hawking Eta[]

Main article: Hawking Eta

Century System[]

Main article: Century

Scannable from Normandy
- UNC: Locate Signs of Battle, Medallion
- UNC: Valuable Minerals, 1x Light Metal, 1x Heavy Metal
Assignments on Presrop
- UNC: Major Kyle
- UNC: Turian Insignias
- UNC: Valuable Minerals, 1x Heavy Metal, 1x Rare Element

Horse Head Nebula Cluster[]

Main article: Horse Head Nebula

Fortuna System[]

Main article: Fortuna

Unlocked as part of UNC: Hostile Takeover.
Scannable from Normandy
- UNC: Turian Insignias
- UNC: Valuable Minerals, 1x Rare Element
Assignments on Amaranthine
- UNC: Turian Insignias
- UNC: Valuable Minerals, 1x Heavy Metal, 2x Rare Element
- UNC: Hostile Takeover

Pax System[]

Main article: Pax

Scannable from Normandy
- UNC: Asari Writings
Missions on Noveria
- Noveria is a mission world. Please see the Noveria Walkthrough for more information.

Strenuus System[]

Main article: Strenuus

Unlocked as part of UNC: Privateers.
Scannable from Normandy
- UNC: Locate Signs of Battle, Medallion
- UNC: Valuable Minerals, 1x Gas
Assignments on Xawin
- UNC: Turian Insignias
- UNC: Valuable Minerals 1x Light Metal, 2x Heavy Metal
- UNC: Privateers

Kepler Verge[]

Main article: Kepler Verge

Herschel System[]

Main article: Herschel

Unlocked upon receiving Garrus: Find Dr. Saleon
Scannable from Normandy
- UNC: Valuable Minerals, 1x Heavy Metal
Assignments on the MSV Fedele
- Garrus: Find Dr. Saleon

Newton System[]

Main article: Newton

Scannable from Normandy
- UNC: Asari Writings
- UNC: Valuable Minerals, 1x Gas
Assignments on Ontarom
- UNC: Dead Scientists
- UNC: Turian Insignias
- UNC: Valuable Minerals, 2x Heavy Metals

Local Cluster[]

Main article: Local Cluster

Sol System[]

Main article: Sol

Scannable from Normandy
- Nothing
Assignments on Luna
- UNC: Rogue VI

Maroon Sea[]

Main article: Maroon Sea

Caspian System[]

Main article: Caspian

Scannable from Normandy
- UNC: Turian Insignias
- UNC: Valuable Minerals, 2x Heavy Metal
Assignments on MSV Cornucopia
- UNC: Derelict Freighter

Matano System[]

Main article: Matano

Scannable from Normandy
- UNC: Prothean Data Discs
- UNC: Valuable Minerals, 1x Light Metal, 1x Heavy Metal
Assignments on Chasca
- UNC: Colony of the Dead
- UNC: Prothean Data Discs
- UNC: Valuable Minerals, 1x Light Metal, 1x Heavy Metal, 1x Rare Element

Vostok System[]

Main article: Vostok

Scannable from Normandy
- UNC: Asari Writings
- UNC: Valuable Minerals, 1x Heavy Metal
Assignments on Nodacrux
- UNC: ExoGeni Facility
- UNC: Turian Insignias
- UNC: Valuable Minerals, 2x Heavy Metal

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

Missions on Ilos
- Ilos is a mission world. Please see the Ilos Walkthrough for more information.

Sentry Omega[]

Main article: Sentry Omega

Hoc System[]

Main article: Hoc

Unlocked when council gives coordinates for Virmire
Scannable from Normandy