Call of Duty: World at War completely changes the rules of engagement by redefining WWII gamingand thrusting players into the final tension-filled, unforgivingbattles against a new ferocious enemy in the most dangerous andsuspenseful action ever seen in WWII. Powered by Call of Duty 4: Modern Warfare technology, Call of Duty: World at War brings an uncensored edge to combat, as soldiers face the mostharrowing and climatic European and Pacific battles in which an enemy,who knows no surrender and no retreat, will fight to the last breath,unleashing an arsenal of lethal surprising tactics. Peril and dangerlurk throughout the battlefield as players combat the unknown risk ofthe new chaos of battle.

World at War features a more mature theme than previousinstallments in the series. Swimming is introduced to the series. Whilein water, the player cannot sprint and can only move at half speed. Flamethrowers, introduced in Call of Duty: United Offensive,appear alongside flammable environments. Vehicles (i.e. Tanks) are alsoreintroduced in this edition of Call of Duty. The game is moreopen-ended than previous games in the series, as there are multipleways to complete objectives.