In the 'Death or Dishonor' DLC, Czechoslovakia, Hungary, Romania, and Yugoslavia gain access to focus tree events that will allow eventual acceptation into the Axis. In the 'Man the Guns' DLC, Mexico, the Netherlands, the United Kingdom, and the United States gain access to focus tree events that will allow eventual acceptation into the Axis. There are 8 cards in the series, and youll receive 4 cards at random for purchasing and playing the game. The Microsoft Windows version of the game was released on August 7, 2009, while the Mac OS X version was released on December 7, 2009. Hearts of Iron IV had Steam trading card support added around 10 June 2016. In the 'Together For Victory' DLC, Australia, the Dominion of Canada, British Raj, Poland, New Zealand, and South Africa gain access to focus tree events that will allow eventual acceptation into the Axis. Hearts of Iron III is a grand strategyvideo game developed by Paradox Development Studio and published by Paradox Interactive. There are various DLC's that allow for easy transitions into the Axis.

You may also choose to join the Axis if world tension is high enough, and if you have enough fascist support in your country. Exceptions: Japan (If non-aligned or if created Greater East Asian Co-Prosperity Sphere) and Nationalist Spain (before 1941-42). You may choose to join the Axis as any fascist country by utilizing the 'Ask to join faction' button.

In the base game, Italy and Japan have focus tree events that will allow you to join the Axis. In Hearts of Iron IV, there are many ways of joining the Axis. However, Germany can easily add members such as Italy, Hungary, and Romania to their faction. Its only member at the start of the game is Germany.

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