: Studies published via arXiv discuss using the game in blended world history courses to teach the early-to-mid 20th century.
Other researchers have used "Hearts of Iron IV" as a case study for . For instance: Hearts of Iron IV: Waking the Tiger
: Research on ResearchGate explores how the game acts as a form of historical education, influencing how players interpret sensitive or controversial periods like the Chinese Civil War. Reflections on Player Practice and Online Wikis : Studies published via arXiv discuss using the