Hearts of Iron IV Japan's First Official Guide Gets Print Edition
The print edition responds to a practical pain point for PC strategy players: the need to consult dense reference data without breaking focus from the game screen, a need that digital guides on the same device cannot fully address.
Key Facts
- ACROVE released the print edition of the official Hearts of Iron IV strategy guide on August 18, 2026, priced at 3,960 yen including tax.
- The guide is a B5-size softcover with 744 pages and ISBN 978-4-9914637-0-9.
- The digital edition was released on Amazon's Kindle Store on July 7, 2026, priced at 3,190 yen including tax.
- The guide covers the vanilla environment without DLC, version 1.17.5.2, and includes over 1,000 pieces of information such as national focuses, technology research, division templates, and ship data.
- The book includes an exclusive interview with the Paradox development team and supervision by YouTuber Isaac Z.
Reporting from 3 sources: 4Gamer.net, GAME Watch (Impress), Game Spark.
ACROVE's game book label GameLib released the print edition of the official Hearts of Iron IV strategy guide on August 18, 2026. The book, titled "[Official Guidebook] Hearts of Iron IV Historical Route Strategy Guide: Japan/Germany Edition," is the first officially licensed strategy guide for Paradox Interactive's grand strategy game to be published in Japan. It is a B5-size softcover with 744 pages and costs 3,960 yen including tax. The guide focuses on the vanilla environment without DLC, version 1.17.5.2, and covers the historical routes for Germany and Japan. It includes over 1,000 pieces of information such as national focuses, technology research, division templates, and ship data. The print edition follows the digital version released on Amazon's Kindle Store on July 7, 2026, which is priced at 3,190 yen including tax. The book is designed so players can keep it open on a desk while playing, avoiding the need to switch between the game screen and strategy information. It also allows readers to annotate pages with sticky notes or markers to create a personal operations manual. The guide includes an exclusive interview with the Paradox development team and supervision by YouTuber Isaac Z.
- Game director Laszlo "Batya" Pieper is among the Paradox development team members interviewed in the guide.
- YouTuber Isaac Z, known for Hearts of Iron IV playthroughs, supervised the guide from a practical perspective as production cooperation.
- The guide is structured so beginners start with Germany, which the sources call optimal for newcomers, then step up to Japan, which requires more detailed tactics.
- It explains from drawing front lines to peace conferences, with the stated goal that players can clear the game by following the steps.
- The book's ISBN is 978-4-9914637-0-9.
- Game Spark lists the print price as 3,600 yen excluding tax and the digital price as 2,900 yen excluding tax, while 4Gamer and GAME Watch quote prices including tax.
- Hearts of Iron IV launched on June 6, 2016, and official Japanese language support arrived on September 28, 2022, per Game Spark.
- GAME Watch frames the print edition as a "long-lasting navigation book" for players who gave up due to complex systems, newcomers, and existing players deepening their strategies.
- The guide is part of ACROVE's GameLib label, which published it under license from Paradox Interactive AB.
Synthesized by Yomimono from the 3 cited sources below, including Japanese-language reporting where cited, then editorially reviewed before publishing.