The short answer
Neither is objectively better. The Road to 56 is the stronger choice if you want more of the real Second World War. Kaiserreich is the better choice if you want a different world entirely. They do not compete for the same playthrough, and you cannot run them together.
What each mod is
The Road to 56
The Road to 56 is an expansion of the historical game. It keeps the real-world 1936 start and adds more content on top of vanilla Hearts of Iron IV, including additional focus trees and features, with the name pointing to a longer campaign toward 1956. It is updated regularly; its Steam Workshop changelog showed updates throughout 2025.
Kaiserreich
Kaiserreich: Legacy of the Weltkrieg is an alternate-history total conversion. The game still starts in 1936, but in a world where the Central Powers won the First World War. Borders, ideologies, leaders and events are all rewritten. The current release is version 1.7 “Crossroads of Civilisation” (September 18, 2026).
Side-by-side comparison
| The Road to 56 | Kaiserreich | |
|---|---|---|
| Setting | Real-world history | Central Powers won WWI |
| Type | Vanilla-plus expansion | Total conversion |
| Familiarity | Very familiar for HOI4 players | New map, new politics to learn |
| Ideologies | Base game ideologies | Own spectrum incl. syndicalism and totalism |
| Story | History with more options | Narrative-heavy alternate timeline |
| Learning curve | Gentle | Steeper |
| Price | Free | Free |
| Workshop ID | 820260968 | 1521695605 |
Which one should you play?
Choose The Road to 56 if…
- You enjoy the real WWII and want deeper content and a longer game.
- You play multiplayer with friends who know the historical setting.
- You want minor nations to be more interesting without learning a new world.
Choose Kaiserreich if…
- You have played vanilla many times and want genuine surprise.
- You like reading events and following political stories.
- You are interested in alternate history and “what if” scenarios.
Can you play them together?
No. Each mod replaces large parts of the game's files and setting. Loading both in one playset will cause errors or broken content. Keep separate playsets in the Paradox launcher and switch between them.
Advice for newcomers
If you are new to Hearts of Iron IV itself, learn the base mechanics first. The Road to 56 is an easy next step because the world stays familiar. Kaiserreich is best after you are comfortable with divisions, production and focus trees, because its main attraction is the new setting.
Verdict
Think of The Road to 56 as more history and Kaiserreich as different history. Many players keep both installed and alternate between them. If you choose Kaiserreich, our Kaiserredux comparison helps you pick between it and its wilder fork.
Get Kaiserreich 1.7
Free mod for Hearts of Iron IV, straight from the official GitHub repository.
