Miniature Showcase - Originally a hobby section providing information on collecting, building and painting an army. This includes artwork, short stories, and copies of fictional documents from the future. Background - Information about the force and its place in the Warhammer 40,000 universe. The most common elements between iterations include: The format of the codices has varied somewhat over the years. As before, these codices remain valid until superseded by newer versions (currently the oldest valid codexes are Codex: Astra Militarum - 8th Edition and Codex: Craftworlds - 8th Edition, released simultaneously). The indexes were subsequently replaced by a new series of codices. 'Codex' is now a term solely used for army books.Īt the launch of 8th edition all previous codices were replaced with index books due to a major rules overhaul (as of November 2019 these indexes are no longer produced). Games Workshop no longer produce campaign or battle zone codices, instead releasing 'expansions'. Until superseded by newer versions, the 3rd edition and later codices remained valid for the newer editions of Warhammer 40,000. The third edition rendered these obsolete, and a new series began, including introducing codices for battle zones and campaigns. Example 8th edition Codex (Space Marines) All codices have a standard grey title and border.Ī codex (pluralized as codexes by Games Workshop), in the Warhammer 40,000 tabletop wargame, is a rules supplement containing information concerning a particular army, environment, or worldwide campaign.Ĭodices for particular armies were introduced for the second edition of the game.