Codex Entry Guide

Primary

 * Aliens: Council Races
 * Asari
 * Salarians
 * Turians
 * Aliens: Extinct Races
 * Protheans
 * Rachni
 * Aliens: Non-Council Races
 * Batarians
 * Elcor
 * Geth
 * Hanar
 * Keepers
 * Krogan
 * Quarians
 * Volus
 * Aliens: Non-Sapient Creatures
 * Husks
 * Thresher Maws
 * Varren
 * Citadel and Galactic Government
 * Citadel
 * Citadel Council
 * Citadel Space
 * Spectres
 * Humanity and the Systems Alliance
 * Earth
 * First Contact War
 * Systems Alliance
 * Planets and Locations'
 * Planets: Feros
 * Planets: Ilos
 * Planets: Noveria
 * Planets: Virmire
 * Region: Terminus Systems
 * Uncharted Worlds
 * Ships and Vehicles
 * FTL Drive
 * Military Ship Classifications
 * Normandy
 * Sovereign
 * Space Combat
 * Vehicles: M35 Mako
 * Technology
 * Biotics
 * Computers: Artificial Intelligence (AI)
 * Computers: Virtual Intelligence (VI)
 * Element Zero ("Eezo")
 * Mass Effect Fields
 * Mass Relays
 * Omni-tool
 * Weapons, Armor and Equipment
 * Body Armor
 * Kinetic Barriers ("Shields")
 * Mass Accelerators
 * Medi-Gel
 * Small Arms

Secondary

 * Player Tutorials
 * 01: Basic Controls
 * 02: Combat
 * 03: The Tactics HUD
 * 04: Character Advancement
 * 05: Equipment
 * 06: Armor and Shields
 * 07: Decryption and Electronics
 * 08: The Area Map
 * 09: The Galaxy Map
 * 10: Conversations
 * 11: Vehicle Movement
 * 12: Vehicle Combat
 * 13: Cargo Bay Resources
 * Personal History Summary
 * Profile
 * Aliens: Council Races
 * Asari: Culture
 * Asari: Government
 * Asari: Military Doctrine
 * Asari: Religion
 * Salarians: Biology
 * Salarians: Government
 * Salarians: League of One
 * Salarians: Military Doctrine
 * Salarians: Special Tasks Group
 * Turians: Biology
 * Turians: Culture
 * Turians: Government
 * Turians: Military Doctrine
 * Turians: Religion
 * Turians: The Unification War
 * Aliens: Extinct Races
 * Protheans: Beacon
 * Protheans: Cipher
 * Protheans: Data Disks
 * Aliens: Non-Council Races
 * Geth: Armatures
 * Geth: Hoppers
 * Krogan: Biology
 * Krogan: Culture
 * Krogan: Genophage
 * Krogan: Krogan Rebellions
 * Quarians: Economy
 * Quarians: Government
 * Quarians: Migrant Fleet
 * Quarians: Pilgrimage
 * Citadel and Galactic Government
 * Citadel Conventions
 * Citadel Station: Citadel Security Services (C-Sec)
 * Citadel Station: Presidium Ring
 * Citadel Station: Serpent Nebula
 * Citadel Station: Statistics
 * Citadel Station: Wards
 * Treaty of Farixen
 * Humanity and the Systems Alliance
 * Genetic Engineering
 * Human Diplomatic Relations
 * Systems Alliance: Geological Survey
 * Systems Alliance: Military Doctrine
 * Systems Alliance: Military Jargon
 * Systems Alliance: Military Ranks
 * Systems Alliance: N7
 * Terra Firma Party
 * Timeline
 * Planets and Locations
 * Stations: Arcturus Station
 * Stations: Gagarin Station
 * Ships and Vehicles
 * FTL Drive: Appearance
 * FTL Drive: Drive Charge
 * Space Combat: Combat Endurance
 * Space Combat: General Tactics
 * Starships: Crew Considerations
 * Starships: Cruisers
 * Starships: Dreadnought
 * Starships: Fighters
 * Starships: Frigates
 * Starships: Heat Management
 * Starships: Sensors
 * Vehicles: Combat Drones
 * Weapons: Disruptor Torpedoes
 * Weapons: GARDIAN
 * Technology
 * Biotics: Biotic Amps
 * Biotics: Life as a Biotic
 * Biotics: Training
 * Communications
 * Communications: Administration
 * Communications: Methodology
 * Credits ("Creds")
 * Weapons, Armor and Equipment
 * Upgrades