價格：免費
檔案大小：12.4 MB
版本需求：需要 iOS 6.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Be quick! Every time a new operation appears on the screen, you need to solve it correctly before the time runs out! It starts easy, but it’ll quickly put your brain to the test!
支援平台：iPhone, iPad