游戏的操纵方法很简单，方向键上下左右分别对应飞机的四侧移动，空格键为发射子弹，按着空格不放可以自动连发。

The game is simple to manipulate, above and below key corresponding to the four aircraft lateral movement, the space bar for a shot, Based space link can be automatically fire.

youdao

游戏的操纵方法很简单，方向键上下左右分别对应飞机的四侧移动，空格键为发射子弹，按着空格不放可以自动连发。

The game is simple to manipulate, above and below key corresponding to the four aircraft lateral movement, the space bar for a shot, Based space link can be automatically fire.

youdao