The game which was known as Call of Duty 5 will return to World War II known as World at War. The game developed by Treyarch, not series creator Infinity Ward,the game will portray US Marines fighting the Imperial Japanese army in the Pacific. There will also be a “major chapter” in the game focuses on the invasion of Germany by the Soviet Union’s Red Army.

World at War will be based on the Call of Duty 4 engine, Call of Duty 5: World at War will include more destructible environments than prior games in the series. It will also allow players to swim underwater, as well as use Japanese machine guns and flamethrowers with “propagating fire” burning jungle scenery–and enemies to make it more realistic.

COD 5 World at War multiplayer, the 360 version will sport a four player co-op mode which can be played with four consoles over Xbox Live, or two consoles each using split-screen. The co-op campaign will be very similar to the single-player campaign, with gamers constantly accumulating points which can be used to unlock perks. Its multiplayer mode will feature vehicles and squad-based elements.

Call of Duty 5 World at War is in development for the PC, 360, PlayStation 3, Nintendo DS, Nintendo Wii, and PlayStation 2. The game will ship during Activision’s current fiscal year, with almost all prior Call of Duty games being released in the holiday quarter.