Army of Two

Unlock all basic weapons:
Finish the game on the Professional difficulty level.

Unlock all primary weapons:
Finish the game on the Recruit difficulty level.

Unlock all secondary weapons:
Finish the game on the Contractor difficulty level.

Unlock all other weapons:
Finish the game on the Operative difficulty level.

Unlock Professional difficulty level:
Finish the game on the Recruit or Contractor difficulty level.


Intel briefcase locations:
During the game, you can check the number of collected briefcases for the
current level by pausing the game play and selecting the "Objective" option.

Note:
You will get money for picking up a briefcase. After collceted a briefcase
it will disappear in future playthroughs. You do not have to pick up all
briefcase in your first playthrough.


Afghanistan:

1.) There is a small path behind the place where you find the first M-11
missile. Follow the path to find the briefcase.


2.) After killed the first heavy armor guard, you will see the intermission
sequence. Then, look around on the nearby platform area. You should find a
stairs at the back end of the platform, and you should find the 2nd briefcase
on the top of the stairs.

3.) Go to the Brian Hick's cell. You will find the 3rd briefcase next to it.


Iraq
1.) There is a briefcase at the bottom of the ladder, which lead to
Ali Youseff's helicopter.

2.) Call in the air-strike on a nearby bunker, then search for a large tent
near the dividing wall. The briefcase is against the wall near the tent.

3.) Just before meeting Ali Youseff you will see metal platforms with armed
guards. Kill all of the guards then climb up the steps to the platform's
second level. Climb another ladder to the third level to find the briefcase.


Aircraft Carrier

1.) After landing on the ship's main deck, run to the right of the
control tower to find the briefcase.

2.) Go to the hangar and blow through the door by using a parked planes.
You will see some missiles. Go behind the missilies to find the briefcase.

3.) Set the missiles and blow up the ship in the last hangar. Then
search until you find a makeshift basketball court. The briefcase is
behind the far basket.


China
1.) Go to the dam, then move towards. You will reach to the first control
tower. Go across the dam, to find an another control tower with the
briefcase.

2.) Go to the village and follow the rightmost path. You will find a the
briefcase on the second floor of the first house.

3.) Look around behind the factory (do not enter to it) to find the briefcase.


Miami

1.) After opened the gates to the luggage area, go to the control room.
There is a smaller office near the control room. Go into the office to
find the briefcase.

2.) You will find a briefcase at thefar end of the 3rd floor of the SSC tower.


Easy money in China mission:
Begin the China mission and complete the first task for 30,000. After
completed the first objective, quit and reload the game. You can earn
another 30,000. You may have to walk back down the mountain for the
money to be given to you. You can do this as many times as you want.