Armageddon, a world whose name is known across the Imperium. Armageddon, a world whose name has become a byword for war and destruction on a massive scale. Armageddon, where the fate of a thousand worlds hangs in the balance.

Codex Armageddon was published in 2000. The book gave the backstory for the 3rd War For Armageddon and contained special rules for the forces of the war- including the Ork Kult Of Speed, the Black Templar and Salamander space marines, and the Steel Legion imperial guard.