https://www.youtube.com/watch?v=gQ-rf2sF6ig&feature=youtu.be
After everyone's help, I finally got into the game.
In the beginning, I find it very difficult to shoot in the game,my gun often could not hit the target.even face to face.
Later, I found a problem, many bullets straight through the enemy's body, but caused no injuries.
But I refrained.
The third level, I can't take it anymore, I wonder if somewhere went wrong
This is an excellent game, it should not have such a low-level design errors