價格：免費
更新日期：2016-03-03
檔案大小：1.3 MB
目前版本：2.1
版本需求：需要 iOS 7.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Learn the text of America's founding documents through a variety of simple games of varying difficulties. The games are attractive and easy to learn, so right from the start you can focus on learning and memorizing.
Constitutional Challenge lets you study:
*The Declaration of Independence
*The United States Constitution
*The Bill of Rights
*The latter Amendments
支援平台：iPhone