價格：免費
檔案大小：17.5 MB
版本需求：需要 iOS 5.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Defend your planet against hordes of alien spaceships in this addictive action packed defense game with timing and tactic elements! Arm your bases with advanced arsenal of turrets and unique upgrades, there is simply no end to the unlimited strategies available at your disposal!
支援平台：iPhone, iPad