價格：免費
檔案大小：53.4 MB
版本需求：系統需求：iOS 9.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Zero-in is a Puzzle Arcade Game with Mathematics in its core gameplay, this fun, and challenging game will change the way you add and subtract numbers and could be a very good brain exercise.
push your Maths skills to a new level with this free and fun game.
支援平台：iPhone, iPad