German Tank Pack: 8 tanks for when playing as Germany, ranging from light all the way up to Super Heavy.
British Tank Pack: 8 tanks for when playing as United Kingdom, ranging from light all the way up to Super Heavy.
US Tank Pack: 8 tanks for when playing as USA, ranging from light all the way up to Super Heavy.
Soviet Tank Pack: 8 tanks for when playing as Soviets, ranging from light all the way up to Super Heavy.
Heavy Cruiser Pack: 7 heavy cruisers available for both Axis and Allies – Exeter, Prinz Eugen and Mogami amongst others.
The Colonel Edition is priced at $49.99 and adds the following extras on top of everything mentioned so far: In addition, all players also get a free DLC called Polish: United and Ready, which adds a unique focus tree for Poland, new models for tanks and planes, 2D assets, and extra leader portraits for increased historical accuracy. The Hearts of Iron: War Stories app is available for iOS and Android. The first of these stories is written by Aaron Rosenburg and features a young British RAF pilot during the Battle of Britain.
Hearts of Iron: War Stories: a Game Book with a branching narrative where the player’s choices influence which skills they learn, relationships with other characters, and ultimately the story’s outcome.
Allied Radio Music Pack: 4 songs to be played while playing countries part of the Allies coalition, created by Tobias Gustafsson.
German Marchorder Music Pack: additional songs while playing countries part of the Axis powers, composed by Andreas Waldetoft.
Any of them includes the following pre-order incentives: Hearts of Iron IV comes in three different editions: Cadet, Colonel, and Field Marshal.