Mass Effect 3: Codex entries - list of all Mass Effect 3 guide, walkthrough

ENTRY NAME

SECTION

CATEGORY

UNLOCKING THE ENTRY

Blackstar

Codex

Weapons, Armor and Equipment

Finding the Blackstar weapon (main quest Priority: Palaven).

M-560 Hydra

Codex

Weapons, Armor and Equipment

Finding the rocket launch Hydra.

M-920 Kain

Codex

Weapons, Armor and Equipment

Finding the M-20 Kain (main quest Priority: Earth #2).

Geth Spitfire

Codex

Weapons, Armor and Equipment

Finding the Geth Spitfire (main quest Rannoch: Admiral Koris).

Omni-Tool Weapon

Codex

Weapons, Armor and Equipment

First use of Omni-Tool to make a strong hit (main quest Prologue).

Citadel

Codex

Citadel and Galactic Government

Listening the speak with Anderson (main quest Prologue).

Spectres

Codex

Citadel and Galactic Government

Listening the speak with Anderson (main quest Prologue).

Systems Alliance

Codex

Humanity and the Systems Alliance

Initially available.

Councilor Donnel Udina

Codex

Humanity and the Systems Alliance

Completing the main quest Priority: Citadel.

Rise of the Alliance

Codex

Humanity and the Systems Alliance

Completing the main quest Priority: Mars.

Earth

Codex

Humanity and the Systems Alliance

Initially available.

Thresher Maws

Codex

Aliens: Non-Sapient Creatures

Automatically during going through the catacombs (main quest Priority: Tuchanka).

Batarians

Codex

Aliens: Non-Council Races

Initially available.

Drell

Codex

Aliens: Non-Council Races

Initially available.

Elcor

Codex

Aliens: Non-Council Races

Initially available.

Get

Codex

Aliens: Non-Council Races

Initially available.

Hanar

Codex

Aliens: Non-Council Races

Initially available.

Krogan

Codex

Aliens: Non-Council Races

Initially available.

Keepers

Codex

Aliens: Non-Council Races

Initially available.

Quarians

Codex

Aliens: Non-Council Races

Initially available.

Volus

Codex

Aliens: Non-Council Races

Initially available.

Asari

Codex

Aliens: Council Races

Initially available.

Salarians

Codex

Aliens: Council Races

Initially available.

Turians

Codex

Aliens: Council Races

Initially available.

Praetorians

Codex

Aliens: Extinct Races

First dialogue with Liara (main quest Priority: Mars).

Cerberus

Codex

Organizations

First dialogue with Liara (main quest Priority: Mars).

Cerberus: The Illusive Man

Codex

Organizations

First dialogue with The Illusive Man (main quest Priority: Mars).

Grissom Academy

Codex

Planets and Locations

Automatically when unlock the secondary quest Grissom Academy: Investigation.

Gellix

Codex

Planets and Locations

Automatically when unlock the secondary quest Arrae: Ex-Cerberus Scientists.

Lesuss

Codex

Planets and Locations

Completing the main quest Priority: Citadel #2.

Menae

Codex

Planets and Locations

Completing the main quest Priority: Citadel.

Palaven

Codex

Planets and Locations

Completing the main quest Priority: Citadel.

Rannoch

Codex

Planets and Locations

Completing the main quest Priority: Geth Dreadnought.

Sur'Kesh

Codex

Planets and Locations

Automatically when reach the salarian's lab (main quest Priority: Sur'Kesh).

Thessia

Codex

Planets and Locations

Automatically when unlock the main quest Priority: Thessia.

Tuchanka

Codex

Planets and Locations

Completing the main quest Attican Traverse: The Rachni or Tuchanka: Turian Platoon.

Normandy SR-2

Codex

Ships and Vehicles

Completing the main quest Prologue.

UT-47A Kodiak

Codex

Ships and Vehicles

First dialogue with Liara (main quest Priority: Mars).

Biotics

Codex

Technology

Initially available.

Genophage

Codex

Technology

Listening the conversation with Garrus (main quest Priority: Palaven).

The Genophage Cure

Codex

Technology

Completing the main quest Attican Traverse: The Rachni or Tuchanka: Turian Platoon.

Medi-Gel

Codex

Technology

Initially available.

Omni-Tool

Codex

Technology

Initially available.

Element Zero ("Eezo")

Codex

Technology

Initially available.

Mass Effect Fields

Codex

Technology

Initially available.

Mass Relays

Codex

Technology

Initially available.

The Crucible

Codex

Technology

Completing the main quest Priority: Sur'Kesh.

Ashley Williams

Codex

Known Associates

Initially available (only if she is alive).

David Anderson

Codex

Known Associates

Initially available.

Doctor Karin Chakwas

Codex

Known Associates

First dialogue with doctor Chakwas (Citadel: Huerta Memorial Hospital).

Doctor Liara T'Soni

Codex

Known Associates

First dialogue with Liara (main quest Priority: Mars).

Doctor Mordin Solus

Codex

Known Associates

First dialogue with Mordin (main quest Priority: Sur'Kesh).

EDI

Codex

Known Associates

Taking over the doctor's Eve body by the EDI (secondary quest Normandy SR-2: EDI*).

Garrus Vakarian

Codex

Known Associates

First dialogue with Garrus (main quest Priority: Palaven).

Grunt

Codex

Known Associates

First dialogue with Grunt (main quest Attican Traverse: The Rachni).

Jack

Codex

Known Associates

First dialogue with Jack (secondary quest Grissom Academy: Emergency Evacuation).

Jacob Taylor

Codex

Known Associates

First dialogue with Jacob (secondary quest Arrae: Ex-Cerberus Scientists.).

Jeff "Joker" Moreau

Codex

Known Associates

Completing the main quest Prologue.

Kaidan Alenko

Codex

Known Associates

Initially available (only if he is alive).

Kelly Chambers

Codex

Known Associates

First dialogue with Kelly (Citadel: Docks - Holding Area).

Legion

Codex

Known Associates

First dialogue with Legion (main quest Priority: Geth Dreadnought).

Miranda Lawson

Codex

Known Associates

First dialogue with Miranda (secondary quest Citadel: Miranda Lawson*).

Samara

Codex

Known Associates

First dialogue with Samara (secondary quest Kallini: Ardat-Yakshi Monastery).

Steven Hackett

Codex

Known Associates

Initially available.

Tali'Zorah

Codex

Known Associates

First dialogue with Tali (main quest Priority: Perseus Vail).

Thane Krios

Codex

Known Associates

First dialogue with Than (Citadel: Huerta Memorial Hospital).

Zaeed Massani

Codex

Known Associates

First dialogue with Zaeed (secondary quest Citadel: Volus Ambassador).

Banshee

Codex

The Reapers

First meeting with a Banshee.

Brute

Codex

The Reapers

First meeting with a Brute (main quest Priority: Palaven).

Marauder

Codex

The Reapers

First meeting with a Marauder (main quest Priority: Palaven).

Indoctrination

Codex

The Reapers

First meeting with a soldier changed into a Husk (main quest Priority: Mars).

Cannibal

Codex

The Reapers

First meeting with a Cannibal (main quest Prologue).

Harvester

Codex

The Reapers

First meeting with a Harvester (main quest Tuchanka: Turian Platoon).

Reaper Variants

Codex

The Reapers

Completing the main quest Priority: Citadel.

Ravager

Codex

The Reapers

First meeting with a Ravager (main quest Attican Traverse: The Rachni).

Sovereign

Codex

The Reapers

Initially available.

Husk

Codex

The Reapers

First meeting with a Husk (main quest Prologue).

Banshee

Codex

The Reapers

Initially available.

Reapers

Codex

The Reapers

Initially available.

Mass Accelerators

Secondary Codex

Weapons, Armor and Equipment

Initially available.

Kinetic Barriers ("Shields")

Secondary Codex

Weapons, Armor and Equipment

Initially available.

Small Arms

Secondary Codex

Weapons, Armor and Equipment

Initially available.

Body Armor

Secondary Codex

Weapons, Armor and Equipment

Initially available.

Tech Armor and Fortification

Secondary Codex

Weapons, Armor and Equipment

Initially available.

Citadel Space

Secondary Codex

Citadel and Galactic Government

Completing the main quest Priority: Citadel.

Citadel Council

Secondary Codex

Citadel and Galactic Government

Completing the main quest Priority: Citadel.

Timeline

Secondary Codex

Humanity and the Systems Alliance

Initially available.

Systems Alliance: Special Operations

Secondary Codex

Humanity and the Systems Alliance

Completing the main quest Prologue.

Alliance News Network

Secondary Codex

Humanity and the Systems Alliance

Talk with a Diana Allers (Citadel: Dock D24).

First Contact War

Secondary Codex

Humanity and the Systems Alliance

Initially available.

Krogan: Ancient History

Secondary Codex

Aliens: Non-Council Races

Listening the conversation with Garrus (main quest Priority: Palaven).

Krogan: Krogan Rebellions

Secondary Codex

Aliens: Non-Council Races

Listening the conversation with Garrus (main quest Priority: Palaven).

Varren

Secondary Codex

Aliens: Non-Council Races

Initially available.

Vorcha

Secondary Codex

Aliens: Non-Council Races

Initially available.

Yahg

Secondary Codex

Aliens: Non-Council Races

Initially available.

Collectors

Secondary Codex

Aliens: Non-Council Races

Initially available.

Asari: Ardat-Yakshi

Secondary Codex

Aliens: Council Races

Automatically when unlock the secondary quest Kallini: Ardat-Yakshi Monastery.

Rachni

Secondary Codex

Aliens: Extinct Races

Initially available.

Cerberus: Atlas

Secondary Codex

Organizations

Destroying first Atlas mech.

Cerberus: Centurion

Secondary Codex

Organizations

First meeting with a Centurion (main quest Priority: Mars).

Cerberus: Phantom

Secondary Codex

Organizations

First meeting with a Phantom (Priority: Citadel #2).

Cerberus: Engineer

Secondary Codex

Organizations

First meeting with an Engineer.

Cerberus: Nemesis

Secondary Codex

Organizations

First meeting with a Nemesis.

Cerberus: Guardian

Secondary Codex

Organizations

First meeting with a Guardian (main quest Priority: Mars).

Cerberus: Trooper

Secondary Codex

Organizations

First meeting with a Trooper (main quest Priority: Mars).

Mercenaries: Blue Sun

Secondary Codex

Organizations

Completing the secondary quest Citadel: Aria T'Loak*.

Mercenaries: The Blood Pack

Secondary Codex

Organizations

Completing the secondary quest Citadel: Aria T'Loak*.

Mercenaries: Eclipse

Secondary Codex

Organizations

Completing the secondary quest Citadel: Aria T'Loak*.

Aeia

Secondary Codex

Planets and Locations

Initially available.

Benning

Secondary Codex

Planets and Locations

Automatically when unlock the secondary quest N7: Cerberus Abduction.

Cyone

Secondary Codex

Planets and Locations

Automatically when unlock the secondary quest N7: Fuel Reactors.

Feros

Secondary Codex

Planets and Locations

Initially available.

Haestrom

Secondary Codex

Planets and Locations

Initially available.

Illium

Secondary Codex

Planets and Locations

Initially available.

Ilos

Secondary Codex

Planets and Locations

Initially available.

Korlus

Secondary Codex

Planets and Locations

Initially available.

Perseus Vail

Secondary Codex

Planets and Locations

Initially available.

Noveria

Secondary Codex

Planets and Locations

Initially available.

Omega

Secondary Codex

Planets and Locations

Initially available.

Ontarom

Secondary Codex

Planets and Locations

Automatically when unlock the secondary quest N7: Communication Hub

Freedom's Progress

Secondary Codex

Planets and Locations

Initially available.

Pragia

Secondary Codex

Planets and Locations

Initially available.

Rakhana

Secondary Codex

Planets and Locations

Initially available.

Sanctum

Secondary Codex

Planets and Locations

Automatically when unlock the secondary quest N7: Cerberus Lab.

Terminus Systems

Secondary Codex

Planets and Locations

Initially available.

Virmir

Secondary Codex

Planets and Locations

Initially available.

The Migrant Fleet

Secondary Codex

Planets and Locations

Initially available.

Military Ship Classifications

Secondary Codex

Planets and Locations

Initially available.

FTL Drive

Secondary Codex

Planets and Locations

Initially available.

Normandy SR-1

Secondary Codex

Planets and Locations

Initially available.

Space Combat

Secondary Codex

Planets and Locations

Initially available.

Artifacts

Secondary Codex

Technology

Initially available.

Computers: Artificial Intelligence (AI)

Secondary Codex

Technology

Initially available.

Computers: Virtual Intelligence (VI)

Secondary Codex

Technology

Initially available.

The Shroud

Secondary Codex

Technology

Completing the main quest Attican Traverse: The Rachni or Tuchanka: Turian Platoon.

The Battle of Palaven

Secondary Codex

The Reaper War

Listening the conversation with Garrus (main quest Priority: Palaven).

The Battle of Rannocha

Secondary Codex

The Reaper War

Completing the main quest Priority: Rannoch.

The Miracle at Palaven

Secondary Codex

The Reaper War

Completing the main quest Priority: Geth Dreadnought.

Desperate Measures

Secondary Codex

The Reaper War

Making an interview with a Diana Allers after completing the main quest Priority: Rannoch.

The Fall of Khar'shan

Secondary Codex

The Reaper War

Initially available.

The Fall of Taetrus

Secondary Codex

The Reaper War

Completing the main quest Priority: Citadel.

The Fall of Thessia

Secondary Codex

The Reaper War

Completing the main quest Priority: Thessia.

The Fall of Earth

Secondary Codex

The Reaper War

Completing the main quest Prologue.

The Cerberus Coup

Secondary Codex

The Reaper War

Completing the main quest Priority: Citadel #2.

Reapers Capabilities

Secondary Codex

The Reapers

Completing the main quest Priority: Citadel.

Reapers Vulnerabilities

Secondary Codex

The Reapers

First meeting with a new type of the Reapers (main quest Priority: Tuchanka).

Harvesting

Secondary Codex

The Reapers

Completing the main quest Priority: Tuchanka.