Mass Effect: Limited Collector's Edition was available through pre-order only at retailers GameStop, EBgames, Amazon and Bestbuy within the United States, and certain retailers in the EU. This edition featured a Mass Effect fiction book titled "Galactic Codex: Essentials" - a 36-page guide to the Mass Effect universe, including a Citadel timeline and a guide to all the non-human races, biotics and the key locations in the Perseus arm of the galaxy.
The Limited Collector's Edition originally retailed for $69.99 and included:
Galactic Codex - A 36 page guide including Timeline, index of non human races, key locations in the galaxy, and information on biotics.
Mass Effect Art Book - 36 pages of concept art.
Bonus DVD - includes exclusive Mass Effect videos, two themes, 12 gamer pictures, and various video game demos.
BioWare also released a limited number of pre-order gifts on a separate disc that included:
Documentary - introduces the game
Soundtrack - 3 tracks from the Mass Effect soundtrack
Mass Effect: Infiltrator·The Final Hours of Mass Effect 3·Galactic Codex: Essentials·Mass Effect Galaxy·Revelation·Ascension·Retribution·Redemption·Evolution
Soundtracks
Mass Effect Original Soundtrack·Mass Effect 2 Original Videogame Score [Atmospheric·Combat·Kasumi's Stolen Memory·Overlord·Lair of the Shadow Broker] ·Mass Effect 3 Original Videogame Score [Extended Cut·Citadel·Leviathan] ·Mass Effect: Andromeda - Original Soundtrack