Includes: The Space Marines DLC and Tau Empire DLC. The Space Marines The Space Marines are the greatest of humanity's warriors, fierce soldiers that have been subjected to intense training, genetic modification, and psycho-conditioning. Their fleets are experts at close-ranged battles, sporting well-armoured ships and specialize in aggressive boarding techniques. In addition, they have access to two unique faction traits which makes them immune to insubordination mechanics and gives them the ability to prioritize their attacks on different subsystems when boarding. The Space Marines DLC includes 5 different Space Marine chapters. Tau Empire The alien Tau Empire has rapidly expanded across the galaxy, aided by highly advanced technology and driven by a total dedication to the Greater Good philosophy. Their fleets excel at long range, with powerful weapons dealing massive amounts of damage from afar. Skilled Tau admirals can eliminate the bulk of an enemy fleet before they can even get within boarding distance. The Tau have access to a wide array of upgrades and traits to improve their Torpedoes and Ordnances even further. This DLC allows you to play as the Tau Empire fleet, featuring all-new ships, castes and gameplay mechanics, as well as the unique Warfare system.