You are a hidden sniper on a mission. Watch the comic for intel and clues. You also have a phone that will help you locate your targets. Once you have established the target you start your mission. You also have certain amount of money and ammo. Once you run out the game is over for you. You earn money by completing the missions. Aim for the head because that is the right way to go. Before you start playing serious you can play survival mode to brush on your shooting skills. You navigate the rifle with your mouse. Space is for zooming in and out. P is to use the phone, S arrow down is to hide arrow up to unhide. Now that you have all necessary info you can start your mission.