Modern Warfare 3's Survival Mode exposed, detailed

Modern Warfare 3's rumoured Survival Mode has been confirmed and detailed, via a report in USA Today.

The mode, which comes as part of the new game's updated Spec-Ops suite, has players competing against increasingly difficult waves of enemies (in the Horde/Firefight fashion) across Modern Warfare 3's multiplayer maps.

USA Today teamed up with Infinity Ward's Robert Bowling on a map called Dome, described as a "derelict Cold War-era desert radar command bunker".

"As we dispatched ever-increasing waves of enemies, I discarded my pistol for a shotgun. Rubin passed me some in-game currency and I bought and installed a turret to keep the evildoers at bay, while I watched for attack dogs," it explains.

"After a few waves, the attack dogs became suicide bomber dogs that exploded a few seconds after you shot them. The next wave brought the kamikaze soldiers who exploded similarly."

Modern Warfare 2's near-invincible juggernauts also return for the Spec-Ops mode, the publication says, and this time there will be several different types of them.

"All that stuff really fleshes out Spec Ops and adds in a lot that we know our fans are going to love, some of the most addictive aspects of Multiplayer," Bowling said.

"You definitely have to change up your strategy as the enemy changes up. Obviously how you fight the kamikaze dudes is different from how you fight the normal dudes and how you fight a dog is different from a dude and how you fight juggernauts, they are not only big and armoured, so they will just brute force come at you. But they each have their own way of being taken out effectively."

In Modern Warfare 3, Spec Ops gains its own progressive ranking system, online matchmaking system and leaderboards.