"Call of Duty: World at War will utilise the Call of Duty 4 engine but the developer has also added various enhancments, such as the ability the burn down buildings and foliage. The game takes place primarily in the pacific, with the US forces fighting Imperial Japan. Frank Kearsy, military advisor and Gulf War Veteran, has made sure that the way the Japanse fight is both tenacious and shocking.
You'll also be fighting as the Russians, who are invading Germany. With the Nazi forces on the back foot they will start fighting even more ferociously in an attempt to defend their strongholds such as in Berlin. There is also a new party system that will allow the leader to issue commands to his troops in single player.
Mutliplayer perks are also back, including some of the favorites from Call of Duty 4, but there will also be new ones that better suit the time period. The game also features new weapons for the series, such as the flamethrower, which according to OXM, can melt the skin off of your enemies and set ablaze grass and wooden buildings. You are also able to shoot throw materials depending on the strength of the material."
The Article States The Following
"And this time they have specific teams working on all the different versions, with the Xbox 360 version acting as the lead."
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Edit: This Game Is Also Being Released For Wii, DS, PS2, and PC