New country tag

[Pioniere]

Planning to make a new country in this game, but I cannot see where the “doomsday” file that used to be where you write the new countries name. Nor do I know what tag I can use. How about AU3? Is that a tag I can use?

 

[Aniknk]

Here:
https://forum.paradoxplaza.com/forum/index.php?threads/darkest-hour-dev-diary-34-patch-1-05.1058632/
...you have a list of free tags.

 

[der Kriegsherr]

And the answer is no. Sorry OP, but you do have a bunch of free tags.