GDM 2026
Rules
Browse and search the Core Rules and the tournament companion.
Core Rules
A simplified, searchable version of the freely available Warhammer 40,000 Core Rules.
Tournament Companion
The Warhammer Event Companion rules for running and playing in tournaments.
Detachment Points
Every faction's detachments with their force disposition and Detachment Points cost.
Data Changelog
How the Core Rules data evolved, from the free PDF through every app data version.