5. You can fail your missions
In certain Black Ops 2 missions, failure is an option. Not a very desirable one, but an option nonetheless.
The missions in question are the new 'Strike Force' maps - open-world sandbox levels which play out a little like a giant offline game of Domination.
The stage we were shown took place in a Singapore shipping yard, where the goal was to capture and control points of the map within a twenty minute time limit.
There's a strategic element, too. At any point during the fight, you can leap out of your soldier's body and zoom out to a screen where you can take control of various drones. Useful, because as ever your squad finds themselves heavily outnumbered.
If you fail to take control of the map within the allotted time, you fail the mission but the game continues regardless. In practical terms, this means that for the first time in a Call of Duty game we have branching storylines and the possibility of multiple different endings. But as we discovered, this isn't the only way you can shape the Cold War...