In the horde mode "Last Bastion" a second player can join in at any time and help out.
This all-action shooter arms you with a range of super-powerful weapons and abilities with which to crush your foes. Dive into a gripping, action-filled story spanning the galaxy and battle against the hideous forces of Chaos who threaten the future of humanity.
This page contains co-op info for Warhammer 40,000: Battle Sister on the PC. All information about Warhammer 40,000: Battle Sister was correct at the time of posting. Information is subject to change. If you see any errors please email us.