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Codices (List)

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Codex (plural "codices", but "codexes" is also occasionally used) is the name of a source book for Warhammer 40,000 armies and factions containing background information, pictures, and rules.

1st Edition

While the term "Codex" was not yet used, a number of books were comparable. Like the more modern editions, they included units and rules that were compiled from White Dwarf.

2nd Edition

Boxed set volumes

The 2nd Edition box set included three codex-style books in addition to the core rulebook.


The 2nd Edition was substantially more colourful and the new Codex books reflected this fact. More detailed information, such as background and organisation, was included, adding more depth and details to the Warhammer 40,000 universe.

Campaigns and Supplements

3rd Edition

The 3rd Edition codices were much smaller and less detailed than the second. This is because several new races were invented and five or six codices a year could be produced.


Some codices were amended or rewritten during 3rd Edition.

Campaign and Settings

Within the 3rd Edition a new type of codex was published. Rather than providing information on a specific force, these included new rules and background for environments or planetary campaigns.

4th Edition

With the introduction of the 4th Edition of Warhammer 40,000, the Codices have been updated and re-released. The fronts of the codices are back in a consistent style, as it was in 2nd Edition.

Campaigns and Expansion

As in 3rd Edition, the 4th Edition of the rules also introduced Expansions, codices that didn't deal with a single force but rather expanded the rules for select settings and situations.

5th Edition

Campaigns and Expansions

6th Edition

Codex Supplements

Campaigns and Expansions

7th Edition

Codex Supplements

Campaigns and Expansions

8th Edition



Codex Supplements

Campaigns and Expansions

9th Edition



Campaigns & Expansions

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