The call of duty needs answering once again, as the blockbusting first person shooter series returns to the modern day. A direct sequel to Call of Duty 4: Modern Warfare, you now play new character Sgt Gary "Roach" Sanderson. Your commander is "Soap" from the first game as you join a multinational anti-terrorist squad out to stop Russian ultra nationalists.

Many of the details on the game are still sketchy but it promises to feature an even more varied series of locales than the ever before, including a snowbound enemy camp that starts with a daredevil mountain climb across the ice before a stealthy infiltration goes awry and you have to run for your life by commandeering a snowmobile.

But that's just the single player mode - the multiplayer is expected to be even more ground-breaking than before, with new co-op options and even more rewards and perks for competitive play.