Introduction : mars base was an alien invasion , and want to go back to earth alive , only to kill all the enemies . gogogo operations guide : keyboard mouse control around mobile , 12345 switch weapons , left shooting 火星基地被外星人入侵了，想要活着回去地球的话，只能够杀掉所有的敌人， gogogo操作指南：鼠标键盘控制， wasd移动， 12345切换武器，左键射击。
Colonial invasion of the planet by aliens , as the earth defense forces most elite soldiers , when you take part in the efforts to combat alien and go operations guide : keyboard control , key control movement firing blanks , shift grenades . key 殖民地星球被外星人入侵了,作为地球防卫队最精英的战士,你参战的时候到了努力和异形作战去吧操作指南：键盘控制，方向键控制移动，空格射击， shift键手雷。
Introduction : colonial invasion of the planet by aliens , as the earth defense forces most elite soldiers , when you take part in the efforts to combat alien and go operations guide : keyboard control , key control movement firing blanks , shift grenades 攻略：殖民地星球被外星人入侵了,作为地球防卫队最精英的战士,你参战的时候到了努力和异形作战去吧操作指南：键盘控制，方向键控制移动，空格射击， shift键手雷。
