Call of Duty: World at War game developer Treyarch and publisher Activision have announced a new iPhone game, based on the Zombies gameplay mode from COD: WaW, is now available.

Details from Activision:
“Call of Duty: World at War: ZOMBIES offers both single player and the game’s highly-addictive co-op gameplay experience in full 3-D, allowing up to four players to join a game via Wi-Fi, locally or across the Internet, and up to two players via Bluetooth, all on the go!”

You can look foward to new maps as time goes on.

Activision is reporting that Call of Duty: Modern Warfare 2 has sold $310 million, about 4.7 million units, in its first day debut in North America and the United Kingdom. This makes Call of Duty: Modern Warfare 2 the biggest entertainment launch in history

“The Call of Duty franchise has become a cultural phenomenon showing the power of video games as an entertainment medium,” said Mike Griffith, CEO, Activision Publishing, Inc. “The shattering of these entertainment records is a testament to the compelling, cinematic and uniquely engaging experience that the Call of Duty brand delivers. Modern Warfare 2 has taken interactive experience to unprecedented heights setting a new standard for entertainment.”