價格：免費
更新日期：2020-08-12
檔案大小：5.5 MB
目前版本：1.2
版本需求：OS X 10.7.0 或以上版本，64 位元處理器
支援語言：英語
Last level will never be the same twice !
Bullets are limited to the initial level (100) and can be increased by shooting bombs during the game.
So there are three ways to lose :
No more bullet, no more lives and invaders touch down.
You have 3 lives in level 1 and one more at each new level.
