Unlockables
     Complete each achievement to get the allotted gamerscore.

Unlockable:                           How to Unlock:

Elite PMC (50)                        Complete all missions 
                                      as a Professional.

My Virtual Friend (35)                Complete all missions 
                                      with the Partner AI.

Say Hello to my Little Friends (45)   Purchase the MP7, M134, 
                                      DAO-X Protecta, MGL MK-X, 
                                      and the M107 Light Fifty.

Man of Many Masks (50)                Purchase every mask variant.

If I Were a Rich Man (40)             Earn one million dollars 
                                      in total over the course of campaign 
                                      mode.

Fear is The Mind Killer (45)          Spend 1 minute straight 
                                      at full Aggro.

Starting a Riot (30)                  Kill 50 enemies total 
                                      in Co-op Riot Shield.

Two Eyes are Better Than One (35)     Kill 5 enemies total 
                                      using Co-op Snipe.

Seven-six-two Millimeter (20)         Kill 250 enemies total 
                                      using Assault Rifles.

This is my Boom Stick! (20)           Kill 250 enemies total 
                                      using Shotguns.

Spray and Pray (20)                   Kill 250 enemies total 
                                      using Machine Guns.

Dead Man's Hand (20)                  Kill 150 enemies total 
                                      using Handguns.

Alright, Who Wants Some? (20)         Kill 250 enemies total 
                                      using SMGs.

One Shot. One Kill. (20)              Kill 100 enemies total 
                                      using Sniper Rifles.

Big Boom! Big Bada Boom! (20)         Kill 25 enemies total 
                                      using RPGs.

Flip You. Flip You For Real (20)      Kill 50 enemies total 
                                      using the Melee Attack.

Fission Mailed (20)                   Kill 25 Martyrs by shooting 
                                      the Bomb Packs on their chests.

If It Bleeds, We Can Kill It (30)     Kill 25 Heavy Armor enemies.

Field Medic (30)                      Drag and heal your partner 25 times.

Boots on the Ground (10)              Finish playing a versus ranked match.

The Devil's in the Details (20)       Complete 20 minor objectives 
                                      in a ranked match.

Surviving The Game (25)               Complete a ranked match 
                                      without ever needing to be revived.

Retirement Savings Plan (40)          Earn one billion dollars 
                                      in total in ranked matches.

Out of Debt (15)                      Heal your partner for the first 
                                      time. Training does not count.

One Gun is Enough (35)                Win a ranked match without 
                                      purchasing any additional weapons.

Beast with Two Fronts (20)            Kill 50 enemies total 
                                      in Back-to-Back.
                                      
Running Man (30)                      Kill 75 enemies while 
                                      in the stealth mode of Overkill.

L'Abattoir (30)                       Kill 100 enemies while 
                                      in the power mode of Overkill.

Weapon Specialist (15)                Purchase 3 weapons.

Stonewall (30)                        Kill 30 enemies 
                                      using the Riot Shield melee attack

My Kind of Case! (40)                 Collect all of the information cases 
                                      in the entire game.

Mission 1 Complete (30)               Completed Mission 1 as Contractor 
                                      or higher.

Mission 2 Complete (30)               Completed Mission 2 as Contractor 
                                      or higher.

Mission 3 Complete (15)               Completed Mission 3 as Contractor 
                                      or higher.

Mission 4 Complete (15)               Completed Mission 4 as Contractor 
                                      or higher.
                                      
Mission 5 Complete (15)               Completed Mission 5 as Contractor 
                                      or higher.

Mission 6 Complete (15)               Completed Mission 6 as Contractor 
                                      or higher.


Unlock All Weapons
Unlockable:                           How to Unlock:

All Primary Weapons                   Beat the game 
                                      on the Recruit difficulty

All Secondary Weapons                 Beat the game on Contractor

All Special Weapons                   Beat the game on Professional


Unlock Professional Difficulty

Unlockable:                           How to Unlock:
Professional Difficulty               Beat the game once on Recruit 
                                      or Contractor