價格：免費
檔案大小：67.9 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
One day, the Earth is invaded by aliens, help the heroes destroy all aliens. Collect coins to upgrade weapons and heroic combat abilities.
You can unlock to fight with the assistant and upgrade him more strong. Alien Defense have 20 levels.
支援平台：iPhone, iPad