The Horus Heresy: Age of Darkness — 3.0

The Horus Heresy is a tabletop wargame set in the Warhammer 40,000 universe, specifically during the historical event known as the Horus Heresy. In this game, players command armies of Space Marines and other forces, battling for control of objectives and ultimately shaping the fate of the galaxy. The game focuses on recreating the epic conflict between the loyalist Imperium and the traitor forces led by Horus, the Emperor's favored son, as they clash in a galaxy-spanning civil war.
The last update of rules content was done on 08/23/2025. I'm working on getting more rules added as soon as I can. The current rules content are taken from the Core Rule Book and the Liber Astartes. I will add the other Libers once I have finished with these.
Core Rules Special Rules Tactical Statuses Ranged Weapons Melee Weapons Reactions Wargear

There are currently no rules available. They will be coming soon, so thanks for your patience

Core Rules are the foundational rules that define how the game is played. This includes turn structure, unit movement, shooting, combat, morale, and all the essential mechanics that apply universally across armies and scenarios. Understanding the core rules is key to mastering any game system.