Rifle, knife and a leatherman that has a small saw blade. I also take a canteen of water, about 6 feet of parachute cord, a camo rain pancho, and a small flashlight.
I like to bring a small chemlight (glowstick) in case I shoot a deer at sundown. If I find him with my flashlight, I hang the chemlight near him and go back to the truck for my game cart. The chemlight makes it easy to find him again.