Free
About
Find correct 21 answers from two choice questions and level up in leaderboards.
This app not only tests your knowledge but also your memory.
If you choose a wrong choice, then you start over, and have to remember what you choose before. Be careful, the choices may not come in the same order as they just appeared.
Show how careful and wise you are!
Have fun...
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What's New in 21 CORRECT
1.0
February 13, 2017
This update from Apple will improve the functionality of this app. No new features are included.
