價格：免費
更新日期：2017-11-03
檔案大小：66 MB
目前版本：1.7.2
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Mars colony is under attack! Mobilize your heroes and construct defensive towers to protect the citizens! Don't let too many of the Martian invaders through or you'll fail your mission. Conquer dozens of levels and unlock continuously more powerful tools for your arsenal as you beat back the attackers and save the day.
支援平台：iPhone, iPad