That's really all there is to spawning units like tanks, artillery, etc in Hearts of Iron IV. The command that is used to spawn units in HOI4 is the spawn command. After doing this, all you need to do is enter a simple console command to spawn units, this is explained below. English as a lingua franca in the academic world: trends andĬlick here to view a guide on how to do this if you haven't already added the -debug option to your launch options. In order for this command to work, you need to have the '-debug' launch option added to the game in Steam. If you are a new player looking to learn the mechanics of the game, a well-seasoned player looking to make gameplay more interesting, or simply a someone looking to find how to to spawn units in Hearts of Iron, you've come to the right place.