Centered on fortification. You can choose to build a "fortress" in the Sudetenland to resist German expansion or seek an alliance (the Little Entente ) with France and other Balkan nations.
You can now convert older or captured equipment into more modern variants, such as turning old Panzer IIs into tank destroyers.
Use the new puppet interactions to bleed your subjects of manpower and resources to fuel your front lines.
Unique paths for Hungary, Romania, Czechoslovakia, and Yugoslavia that allow for historical or alternate-history choices (e.g., restoring the Austro-Hungarian Empire or forming the "Little Entente").
After a successful war, use Equipment Conversion to turn thousands of captured basic infantry kits or light tanks into useful variants for your specialized divisions. HOI4 Death Or Dishonor - The Ultimate DLC Guide