游戏介绍：一人一枪的防火线，抵御敌人不断补充的兵力进攻，第三关开始有飞机空袭，注意！

Game: one shot on the fire lines, continuously add strength to resist the enemy attack, the third air strike aircraft begins, attention.

youdao

游戏介绍：一人一枪的防火线，抵御敌人不断补充的兵力进攻，第三关开始有飞机空袭，注意！

Game: one shot on the fire lines, continuously add strength to resist the enemy attack, the third air strike aircraft begins, attention!

youdao

也许火星人帮助制造HI - DO，因为在第一次游戏的第三关击败艾伦之后你能看见ufo。

Maybe the Mars People helped to make the HI-DO, because in the mission 3 of the first game after defeating Allen you can see a UFO.

youdao