Warhammer 40000: Eternal Crusade invites players into a vast and brutal universe where four factions vie for control in the 41st millennium. This action-packed game offers both PvP and PvE experiences, requiring players to collaborate in massive battles against opposing factions. With the choice of twenty sub-factions, players can customize their warriors using hundreds of weapons and accessories inspired by nearly three decades of Warhammer 40,000 lore.

Strategic planning plays a crucial role as players organize from orbit before engaging in ground combat. The gameplay encompasses a range of combat styles, from melee encounters to long-range sniping, and even driving powerful tanks. Players can immerse themselves in the persistent world at war, engaging in tactical maneuvers such as cutting off supply lines and besieging enemy fortresses, making victory a collective achievement rather than an individual one.