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About Unredacted: World Wars

Study the connected crises that made the world wars possible: empire, industrial violence, ideology, occupation and the difficult peace that followed. In your own time, on your own device.

A four-year course of study in World Wars: 100 lessons, laid out as four years of numbered courses.

The first 10 lessons are free. One optional in-app purchase unlocks the remaining 90.

The Curriculum

Year 1 - Empires and the Great War (5 courses, 25 lessons)
1.1 Empires and the Armed Peace; 1.2 July 1914 and the War of Movement; 1.3 Deadlock: The Industrial Front, 1915-1916; 1.4 The Wider Fronts, 1914-1918; 1.5 Empire, Labour and the Home Fronts.

Year 2 - Collapse and the Long Armistice (5 courses, 25 lessons)
2.1 The War Against Civilians, 1914-1918; 2.2 1917-1918: The Sea, the Air and the Collapse; 2.3 Paris, 1919; 2.4 The Reckoning That Failed, 1919-1929; 2.5 The Peace Unravels, 1919-1939.

Year 3 - The Racial State and Total War (5 courses, 25 lessons)
3.1 The Racial State and the Closed Doors, 1933-1939; 3.2 Total War in China, 1937-1945; 3.3 The Axis Ascendant, 1939-1942; 3.4 Ghettos, Bullets and the Decision, 1939-1942; 3.5 Industrial Murder and the Camp System.

Year 4 - Destruction and the Reckoning (5 courses, 25 lessons)
4.1 The Eastern Front and the Soviet War, 1941-1945; 4.2 Occupied Europe: Collaboration, Famine and Plunder; 4.3 Empire's Second War; 4.4 Zero Hour, 1944-1949; 4.5 The Record and Its Enemies.

What Is Included

- 100 lessons across 20 courses, with short attributed passages from primary sources
- 81 figure profiles
- A 771-term glossary, cross-linked from the lessons
- 20 quizzes, 120 questions, each with an explanation of the answer
- 18 case studies
- 10 branches of world wars, linking through to related courses, thinkers and terms
- Spaced review: flashcards over the 771 glossary terms, on a schedule that stretches as you get a term right
- Search across lessons, courses, figures and glossary entries
- Bookmarks and private notes
- Progress tracked per year and per course
- Read-aloud on any lesson, using the on-device system voice
- Three home-screen widgets: Quote of the Day, Term of the Day, Figure of the Day

What It Costs

Unredacted: World Wars is free to download. The first 10 lessons are free - all of WW 1.1 and the first five lessons of WW 1.2 - and so is everything else in the app: all 81 figure profiles, the whole glossary, all 20 quizzes, the case studies, spaced review, search, notes and the widgets.
One optional in-app purchase unlocks the remaining 90 lessons. It is a one-time purchase, not a subscription. It restores on your other devices signed in to the same Google Account. There are no ads and nothing else to buy.

Scope

The First World War, the interwar collapse and the Second World War, from the armed peace to the reckoning.

There is no video, no discussion feed and no cloud sync. Your progress lives on the device you read on.

Privacy

Unredacted: World Wars has no servers of its own. There is no sign-in, no analytics, no advertising identifier and no tracking, and nothing you do is uploaded. The app has no internet permission at all, so nothing in it can open a connection. Your progress, bookmarks, notes and review schedule are stored in a database on your device. Every lesson, quiz and profile is already installed, so the app reads the same in Airplane Mode; the only network use is Google Play's own, when you buy or restore the unlock.

Support: https://stacktrace-studios.com/support/unredactedworldwars/android/
Privacy policy: https://stacktrace-studios.com/privacy/unredactedworldwars/android/

What’s new

Version 1.1.1 · Updated October 9, 2026

Curriculum fixes and Android parity refinements for the World Wars history catalogue.

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