Paradox Interactive have announced Hearts of Iron IV: By Blood Alone, the next expansion pack for their WWII grand strategy game.

Hearts of Iron IV: By Blood Alone does not currently have a release date, but it will be coming soon. The DLC pack adds new nation focus trees for Italy, Ethiopia, and Switzerland, allowing players to rewrite history as one of these three countries. The expansion also adds new peace conference options, embargo mechanics, an aircraft designer, and a variety of new unit models and music tracks.

You can find the announcement trailer below.

You can find a rundown (via Steam) below:

Build a new empire, resist foreign aggression or explore the limits of neutrality in Hearts of Iron IV: By Blood Alone. This new expansion for Paradox Interactive’s World War II grand strategy wargame adds new alternate history options and gameplay variety for three nations, as well as other significant changes.

Features of Hearts of Iron IV: By Blood Alone include:

• New Italian Focus Tree:
  Follow the historical path of Mussolini’s Italy or rewrite history by restoring power to the monarchy, leading a Communist revolution or promoting democracy.
• New Ethiopian Focus Tree:
  Defy the odds to defeat the Italian invader or resist the conqueror from abroad using unique Government in Exile abilities.
• New Swiss Focus Tree:
  Surrounded by France, Germany and Italy, the mountain nation of Switzerland finds strength in its neutrality, balancing competing factions and overtures from the great powers.
• New Peace Conference Options:
  Demilitarize zones of the map or entire nations, bid on the capital ships of defeated powers, or claim control of enemy resources or factories as reparations.
• Aircraft Designer:
  Design and build your own planes, from nimble interceptors that prioritize speed to durable bombers crafted to unload tons of destruction from high above.
• Unit Medals:
  A log of each division’s accomplishments lets you track their performance, and even allows you to award unique medals to division commanders for their actions in the field.
• Embargo Interaction:
  Embargo your enemies with a new diplomatic interaction, preventing them from trading with you if they have generated enough world tension.
• New Unit Models:
  Over 20 new unit models for Italy, Ethiopia, and Switzerland
• New Plane Models:
  67 new plane models
• 12 New Music Tracks

Hearts of Iron IV has been available on Windows PC, Linux, and Mac (all via Steam).