Go behind the scenes of Hearts of Iron IV: By Blood Alone and learn more about the Peace Conferences and Naval Combat systems, as well as the air rework.

Join game director Peter Nicholson, UX designer Peter Johannesson, and more from the development team as they outline some of the features in the upcoming avalanche update, which will accompany the By Blood Alone expansion. Hearts of Iron IV: By Blood Alone is available to wishlist on Steam.