TriviaShelf
100問の本物の知識を集めよう
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Archived App (Last seen on 11 Sep 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
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About
Linkle is a trivia quiz app featuring 100 questions, all verified with real academic, government, and scientific sources. No myths, no urban legends, only facts.
[Features]
- 6 categories: Science, Nature, Body, Math, Geography, Physics
- 100 questions with 4-choice answers
- After each answer, see why ALL 4 choices are correct or incorrect
- Detailed explanations with cited sources after every question
- Correct answers are saved to your personal Knowledge Notebook
- Daily question to build knowledge consistently
- Streak tracking to motivate daily learning
[Sample facts you will learn]
- Diamonds are made of pure carbon atoms in a crystal lattice
- Spider silk is stronger than steel by weight
- The Greenland shark can live over 400 years
- Tokyo metro area is the world largest city
- The speed of light is 300,000 km per second
Every single question has a cited source. Learn with confidence.
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What's New in TriviaShelf
1.1
May 9, 2026
Improved book selection border design and explanation screen.
