Shoot the cowboys hidden in the saloon. Get the stars and Sheriff plates to get more energy. Don't let yourself be shot or you'll die slowly. Use your mouse.
Aim well and get rid of the hidden skulls. Some objects are indestructible, though. Use the arrow and the bow, and a bit of your skills to do it. You have limited munitions.
Second part of the sniper hero, but a little bit harder. Try your aim and reflexes! Use the mouse to aim and shoot, the space bar to activate or deactivate the zoom, R key to recharge, A key to duck and the S key to get up.
Here you will have to massacre all the dolls that are attacking you. Move with W,A,S,D. Point and shoot with the mouse. Your objective is to pile up all the possible corps.