Utilizing the Call of Duty 4: Modern Warfare engine, Call of Duty: World at War throws out the rulebook of war to transform WWII combat through a new enemy, new tactics and an uncensored experience of the climatic battles that gripped a generation. As U.S. Marines and Russian soldiers, players employ new features like cooperative gameplay, and weapons such as the flamethrower in the most chaotic and cinematically intense experience to date.