Man of Many Masks
Purchase every mask variant.
50 ✓ September 11th, 2008
Fear is The Mind Killer
Spend 1 minute straight at full Aggro.
45 ✓ July 20th, 2008
Spray and Pray
Kill 250 enemies total using Machine Guns.
20 ✓ September 6th, 2008
Beast with Two Fronts
Kill 50 enemies total in Back-to-Back.
20 ✓ September 10th, 2008
Out of Debt
Heal your partner for the first time. Training does not count.
15 ✓ July 18th, 2008
Weapon Specialist
Purchase 3 weapons.
15 ✓ July 20th, 2008
Boots on the Ground
Finish playing a versus ranked match.
10 ✓ September 11th, 2008
Elite PMC
Complete all missions as a Professional.
50 
Say Hello to my Little Friends
Purchase the MP7, M134, DAO-X Protecta, MGL MK-X, and the M107 Light Fifty.
45 
If I Were a Rich Man
Earn one million dollars in total over the course of campaign mode.
40 
Retirement Savings Plan
Earn one billion dollars in total in ranked matches.
40 
My Kind of Case!
Collect all of the information cases in the entire game.
40 
My Virtual Friend
Complete all missions with the Partner AI.
35 
Two Eyes are Better Than One
Kill 5 enemies total using Co-op Snipe.
35 
One Gun is Enough
Win a ranked match without purchasing any additional weapons.
35 
Starting a Riot
Kill 50 enemies total in Co-op Riot Shield.
30 
If It Bleeds, We Can Kill It
Kill 25 Heavy Armor enemies.
30 
Field Medic
Drag and heal your partner 25 times.
30 
Running Man
Kill 75 enemies while in the stealth mode of Overkill.
30 
L'Abattoir
Kill 100 enemies while in the power mode of Overkill.
30 
Stonewall
Kill 30 enemies using the Riot Shield melee attack
30 
🔐 Mission 1 Complete
Continue playing to unlock this secret achievement.
30 
🔐 Mission 7 Complete
Completed Mission 7 as Professional.
30 
🔐 Mission 8 Complete
Completed Mission 8 as Professional.
30 
I promise to kill you last
Kill Dalton in less than 40 seconds
30 
🔐 Mission 2 Complete
Continue playing to unlock this secret achievement.
30 
Surviving The Game
Complete a ranked match without ever needing to be revived.
25 
True SSC Challenger
Win every stage of a ranked three round SSC Challenge match
25 
Barrel SSC Challenger
Destroy 500 barrels in ranked SSC Challenge matches
25 
SSC Challenge Win
Win a ranked SSC Challenge match
25 
SSC Challenge Marksman
Achieve 75% accuracy at the conclusion of a ranked three round SSC Challenge match
25 
I wanna be a cleaner
Final blow to Dalton is a headshot with a pimped .44 MODEL 29 handgun
25 
Seven-six-two Millimeter
Kill 250 enemies total using Assault Rifles.
20 
This is my Boom Stick!
Kill 250 enemies total using Shotguns.
20 
Dead Man's Hand
Kill 150 enemies total using Handguns.
20 
Alright, Who Wants Some?
Kill 250 enemies total using SMGs.
20 
One Shot. One Kill.
Kill 100 enemies total using Sniper Rifles.
20 
Big Boom! Big Bada Boom!
Kill 25 enemies total using RPGs.
20 
Flip You. Flip You For Real
Kill 50 enemies total using the Melee Attack.
20 
Fission Mailed
Kill 25 Martyrs by shooting the Bomb Packs on their chests.
20 
The Devil's in the Details
Complete 20 minor objectives in a ranked match.
20 
Arnold Braunschweiger
Destroy 300 destructible objects in Mission 7,8
20 
🔐 Mission 4 Complete
Continue playing to unlock this secret achievement.
15 
🔐 Mission 5 Complete
Continue playing to unlock this secret achievement.
15 
🔐 Mission 6 Complete
Continue playing to unlock this secret achievement.
15 
That's right. Who's laughing now
Buy the 'pack 8' gun pack in a multiplayer ranked match
15 
🔐 Mission 3 Complete
Continue playing to unlock this secret achievement.
15