Check your gear and get ready to move out to your nearest retailer on Veterans Day, as Activision Publishing, Inc. (Nasdaq: ATVI) and developer Treyarch, have shipped Call of Duty: World at War to retail stores nationwide. Available now, Call of Duty: World at War takes players to a grittier WWII than ever before – from facing down Imperial Japanese Banzai charges and guerilla tactics in the Pacific – to exacting ruthless revenge as you beat back the enemy all the way to the steps of Berlin one bloody inch at a time. In addition to introducing franchise-first four-person cooperative gameplay, Call of Duty: World at War serves up a host of new enemies/tactics and a cache of weapons, like the flamethrower. The highly-anticipated title also delivers deep multiplayer action that features squad and vehicular combat, as well as a lush audio landscape set in 5.1 surround sound, accompanying cinematically-intense, high-definition graphics.

"Our goal from Day 1 has been to make sure that Call of Duty: World at War re-defines players' expectations of World War II first-person action," said Treyarch studio head Mark Lamia. "From cooperative gameplay to a multiplayer that combines vehicle and squad combat, along with a host of new weapons, settings and enemies, we've left no stone unturned to make this the best experience possible."

For the first time in the franchise, Call of Duty: World at War introduces co-op, bringing fresh meaning to the "No One Fights Alone" mantra. Call of Duty: World at War co-op features up to four-players online, or two-player local split-screen, allowing gamers to experience harrowing single-player missions together for greater camaraderie and tactical execution. The title also incorporates traditional multiplayer components such as challenges, rankings and online stats into the co-op campaign for deeper re-playability and advanced gameplay.

Following the U.S. Marines in the Pacific campaign, Call of Duty: World at War shows a side of World War II never seen previously in the series. Players will experience swamps, beach invasions and tropical undergrowth against as they go head to head with one of the most brutal enemies of the war. The European campaign will feature uncompromising and vicious battles as the Red Army pushes into the heart of Berlin.

Multiplayer delivers squad-based interaction while expanding on the Party System feature with party privacy and match-making preferences. Combined infantry and vehicle missions add a new dimension to the online warfare. Players unlock a dozen new Perks while participating in epic battles ranging from massive wide open fields in the European theatre to the intimate courtyards of a Japanese castle.

Call of Duty: World at War is rated "M" (Mature) by the ESRB for Intense Violence, Strong Language, Blood and Gore and is available now on Xbox 360 and PLAYSTATION 3 computer entertainment system for a suggested retail price of $59.99 and the Windows PC and the Nintendo Wii for a suggested retail price of $49.99. Call of Duty: World at War is also available for the Nintendo DS, developed by n-Space, the title is rated "T" (Teen) for Blood and Violence, with a suggested retail price of $29.99.