The mafia are after you and they aren't going to stop till you are dead. Fortunately, you got a friend that covers your back at the other end. The mafia won't stop till they got your friend and you need to protect your friend. You are the sniper here and it is your job to protect the van. Each kill would earn you money and you can use the money to buy upgrades, buy defenders, repair truck or anything else. The game gets more difficult as you make some progress, so it would be better if you are going to upgrade your gun or truck.