In the last mission, When the bomb is disarmed, a number of different endings can play out. To unlock each ending take the following steps below.
Note: The targets listed below are the Cruise Ship, Hisham, and Lambert.
Beat single mode at any difficulty.
Complete the following special objectives in single player mode to unlock the corresponding item.
In the last mission at the end while fighting the boss go on the right, jump over the bench and hide behind the glass statues then run up to him and stab him, or you can throw a frag.