这是一款用c#编写的unity2d游戏，玩家是一个飞机，敌人有很多飞机，也有升级版的飞机。有开始和结束界面，是个很完整的游戏。有枪声，爆炸声，也有背景音乐。(This is a c# written in unity2d game, the player is a plane, the enemy has many aircraft, there are upgraded version of the aircraft. There is a start and finish interface