Only War is a stand-alone Warhammer 40k roleplaying game experience in which players take on the roles of soldiers in the Imperial Guard, the galaxy - spanning armies of the God - Emperor. Fully compatible with FFG's other Warhammer 40k Roleplay titles, this comprehensive game system explores a previously unseen side of life in the Imperium of Man. They are the thin line that protects the Imperium from complete and utter destruction. They are the Imperial Guard