High Quality Content by WIKIPEDIA articles! The Imperial Guard are a specific army or faction in the Warhammer 40,000 and Epic tabletop games and universe. The army itself is characterised by being capable of fielding a multitude of lightly armoured, average infantry in combination with some of the toughest and most powerful tanks in the game. In the game universe, the Imperial Guard is a colossal military organisation consisting of trillions of men and women supported by millions of tanks each from thousands of different worlds and systems within the Imperium of Man.