Shoot and kill the incoming targets which will also be shooting at you. You will be provided with different weapons and need to use those in your missions. But at first, you have to pass the training phase of the game. Finish the training to get a recommended difficulty level. In your first mission, you will have to rescue the hostages and kill the enemies. You are able to use the shotgun here. In many of the missions, you will need to use a sniper and kill the enemies within a certain time limit. So, you need to be accurate and speedy enough in shooting.