HOI4 Intelligence Agency Guide
How the intelligence agency works in Hearts of Iron IV: what operatives are, what the five upgrade branches buy, how cryptology and the Spy Master fit in, and why an agency started late never pays for itself.
HOI4 Country Tags
Every Hearts of Iron IV country tag, the three-letter code console commands use instead of a country's name, with the ideology each nation starts under. Includes how tag, annex and puppet take them, and why a run that uses them earns no achievements.
HOI4 DLC Guide
Every Hearts of Iron IV expansion, country pack and theater pack, with what each one adds and when it was released. Explains the difference that decides a purchase — expansions rework systems for every country, packs add focus trees for specific nations — and which DLCs are already part of the base game.
HOI4 Achievements
Every Hearts of Iron IV achievement, grouped by the expansion that added it, with what each one asks for and the country that makes it manageable. Covers the three rules that decide whether an achievement can unlock at all — ironman, console commands and mods — and six worth clearing first.
HOI4 Console Commands
Every Hearts of Iron IV console command worth knowing, grouped by what you are trying to do: resources, instant construction and research, switching countries, special projects, spies, and the debug tools. Includes how to open the console on different keyboard layouts, and why a console run earns no achievements.
HOI4 Peace Conference Guide
This guide explains how peace conference demands work in Hearts of Iron IV, including war score, turn order, and the way factions split defeated territory. It is for players who want to understand why some countries get the biggest slice and how to spend points effectively.
HOI4 Thunder at Our Gates: What's in the DLC and What's Free
A breakdown of everything Thunder at Our Gates adds, split into what the paid expansion unlocks and what arrives free for every player in the accompanying update. Written for existing Hearts of Iron IV players deciding whether the expansion is worth buying and what they need to relearn either way.
HOI4 Army HQ System Explained
Learn how Army HQs work in Hearts of Iron IV after Thunder at Our Gates. This covers HQ design, useful support options, proximity effects, and how captured commanders are handled.