KeenGamer: ''Most Hearts of Iron IV players will agree that one of the hardest nations to a successful invade and conquer is Britain due to her mighty navy and considerable air force. However, it is possible. The tips provided in this military strategy guide should help get you well on your way to destroying the Allies and opening up the pathway for total world domination."
Jon @ FG: Hearts of Iron 4: By Blood Alone is a solid addition to the game, adding dozens of hours of more content. The Finger Guns Review.
Hearts of Iron 4: By Blood Alone, the new DLC for the strategy game, has a confirmed release date as well as new details on focus trees, aircraft, and units
Paradox released a new video of its World War II strategy game Hearts Of Iron IV, focusing on the upcoming free update titled "Avalanche."
