Inspired by 1978 arcade classic. Defend planet earth from a Alien Invasion coming in waves by shooting them in your space turret gun.
So get ready to relive the 80s, but this time with no defense bunkers to hide under.
Simple game play
Simple Controls
Smooth Gameplay
Last updated on 2017年09月27日
此版本包含小幅错误修复和常规改进。请更新至最新版本，以获得更佳体验。
