You get the 6 secret achievements by doing co-op campaign. 1st and 2nd level are worth 30 points and the other 4 are worth 15 each.

Secret Achievement 1. (30)
Complete Mission 1 (Somalia) On The Difficulty Of Contractor Of Higher.

Secret Achievement 2. (30)
Complete Mission 2 (Afghanistan) On The Difficulty Of Contractor Of Higher.

Secret Achievement 3. (15)
Complete Mission 3 (Iraq) On The Difficulty Of Contractor Of Higher.

Secret Achievement 4. (15)
Complete Mission 4 (Aircraft Carrier)On The Difficulty Of Contractor Of Higher.

Secret Achievement 5. (15)
Complete Mission 5 (China) On The Difficulty Of Contractor Of Higher.

Secret Achievement 6. (15)
Complete Mission 6 (Miami) On The Difficulty Of Contractor Of Higher.

Submitted By: Money N Da BAGS, II JaKe 94 II

Two Super Easy Achievements

Okay, so I've been wondering why people are having such a problem getting the Fear is the Mind Killer and the Field Medic achievements. So this should make it very simple. While in the training session you'll be behind a block shooting at the guy in the turret. Just don't stop shooting at him. After 1 minute, you'll have the Fear is the Mind Killer achievement. Then get you and your partner alone. All you have to do for the Field Medic achievement, is to shoot him down and revive him 25 times. I've tried both and they're very easy to do.

Submitted By: Jake H Coker

Downloadable Content Achievements

Barrel SSC Challenger (25) - Destroy 500 barrels in ranked SSC Challenge matches
SSC Challenge Marksman (25) - Achieve 75% accuracy at the conclusion of a ranked three round SSC Challenge match
SSC Challenge Win (25) - Win a ranked SSC Challenge match
True SSC Challenger (25) - Win every stage of a ranked three round SSC Challenge match

Submitted By: Sgt. Samuel the Stout

All Primary Weapons

All Primary Weapons
Beat the game on the Recruit difficulty

All Secondary Weapons
Beat the game on Professional

All Special Weapons
Beat the game on Professional

Submitted By: Zumanibe

Professional Difficulty

Professional Difficulty
Beat the game once on Recruit or Contractor

Submitted By: Zumanibe

Achievements

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

Beast with Two Fronts (20)
Kill 50 enemies total in Back-to-Back.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Running Man (30)
Kill 75 enemies while in the stealth mode of Overkill.

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

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

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

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

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

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

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

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

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

Weapon Specialist (15)
Purchase 3 weapons.

Submitted By: Snop Cat

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