you fight against fighters. Once the game starts, you can use arrow keys to move up and down, left or right. Avoid those fighters that may come from your back. And also avoiding contact with there fighter aircraft that may decrease your hit points. Press the spacebar to shoot. At the upper screen is a scout meter, it deplete slightly when you have smashed the enemy every time. There is also a time counters game. Don?t run out of the time. Are you ready? It?s time to start it!