This was my sons, I never played it he says its a mixture of both and this is what Amazon has to say.
Product Features It is the last days of World War II, and you come awake to find you are in a dark room with no weapons. Escape & learn the secret the Nazis are hiding in this dark, grim medieval castle. Unrivaled shooting action, as you battle Nazi soldiers & a mad scientist's creations, behind enemy lines Use your sniping and stealth skills to avoid guards and beat the Nazis, single-handed Special new items to overpower the Nazis, zombies & X-creatures Superior AI makes the enemies tougher than ever -- but you've also got new weapons and abilities to use against them