Army of Two cheat codes

Unlock All Other Weapons:
Beat the game once on Operative.

Achievements:
Complete the following achievements to unlock Xbox Live Gamerscore points.

Elite PMC
Reward: 50 Points
Objective: Complete all missions as a Professional.

My Virtual Friend
Reward: 35 Points
Objective: Complete all missions with the Partner AI.

Say Hello to my Little Friends
Reward: 45 Points
Objective: Purchase the MP7, M134, DAO-X Protecta, MGL MK-X, and the M107 Light Fifty.

Man of Many Masks
Reward: 50 Points
Objective: Purchase every mask variant.

If I Were a Rich Man
Reward: 40 Points
Objective: Earn one million dollars in total over the course of campaign mode.

Fear is The Mind Killer
Reward: 45 Points
Objective: Spend 1 minute straight at full Aggro.

Starting a Riot
Reward: 30 Points
Objective: Kill 50 enemies total in Co-op Riot Shield.

Two Eyes are Better Than One
Reward: 35 Points
Objective: Kill 5 enemies total using Co-op Snipe.

Seven-six-two Millimeter
Reward: 20 Points
Objective: Kill 250 enemies total using Assault Rifles.

This is my Boom Stick!
Reward: 20 Points
Objective: Kill 250 enemies total using Shotguns.

Spray and Pray
Reward: 20 Points
Objective: Kill 250 enemies total using Machine Guns.

Dead Man\'s Hand
Reward: 20 Points
Objective: Kill 150 enemies total using Handguns.

Alright, Who Wants Some?
Reward: 20 Points
Objective: Kill 250 enemies total using SMGs.

One Shot. One Kill.
Reward: 20 Points
Objective: Kill 100 enemies total using Sniper Rifles.

Big Boom! Big Bada Boom!
Reward: 20 Points
Objective: Kill 25 enemies total using RPGs.

Flip You. Flip You For Real
Reward: 20 Points
Objective: Kill 50 enemies total using the Melee Attack.

Fission Mailed
Reward: 20 Points
Objective: Kill 25 Martyrs by shooting the Bomb Packs on their chests.

If It Bleeds, We Can Kill It
Reward: 30 Points
Objective: Kill 25 Heavy Armor enemies.

Field Medic
Reward: 30 Points
Objective: Drag and heal your partner 25 times.

Boots on the Ground
Reward: 10 Points
Objective: Finish playing a versus ranked match.

The Devil\'s in the Details
Reward: 20 Points
Objective: Complete 20 minor objectives in a ranked match.

Surviving The Game
Reward: 25 Points
Objective: Complete a ranked match without ever needing to be revived.

Retirement Savings Plan
Reward: 40 Points
Objective: Earn one billion dollars in total in ranked matches.

Out of Debt
Reward: 15 Points
Objective: Heal your partner for the first time. Training does not count.

One Gun is Enough
Reward: 35 Points
Objective: Win a ranked match without purchasing any additional weapons.

Beast with Two Fronts
Reward: 20 Points
Objective: Kill 50 enemies total in Back-to-Back.

Running Man
Reward: 30 Points
Objective: Kill 75 enemies while in the stealth mode of Overkill.

L\'Abattoir
Reward: 30 Points
Objective: Kill 100 enemies while in the power mode of Overkill.

Weapon Specialist
Reward: 15 Points
Objective: Purchase 3 weapons.

Stonewall
Reward: 30 Points
Objective: Kill 30 enemies using the Riot Shield melee attack

My Kind of Case!
Reward: 40 Points
Objective: Collect all of the information cases in the entire game.

True SSC Challenger
Reward: 25 Points
Objective: Win every stage of a ranked three round SSC Challenge match

Barrel SSC Challenger
Reward: 25 Points
Objective: Destroy 500 barrels in ranked SSC Challenge matches

SSC Challenge Win
Reward: 25 Points
Objective: Win a ranked SSC Challenge match

SSC Challenge Marksman
Reward: 25 Points
Objective: Achieve 75% accuracy at the conclusion of a ranked three round SSC Challenge match

That\'s right. Who\'s laughing now
Reward: 15 Points
Objective: Buy the \'pack 8\' gun pack in a multiplayer ranked match

Arnold Braunschweiger
Reward: 20 Points
Objective: Destroy 300 destructible objects in Mission 7,8

I promise to kill you last
Reward: 30 Points
Objective: Kill Dalton in less than 40 seconds

I wanna be a cleaner
Reward: 25 Points
Objective: Final blow to Dalton is a headshot with a pimped .44 MODEL 29 handgun

Secret Achievements:

Mission 1 Complete
Reward: 30 Points
Objective: Completed Mission 1 as Contractor or higher.

Mission 2 Complete
Reward: 30 Points
Objective: Completed Mission 2 as Contractor or higher.

Mission 3 Complete
Reward: 15 Points
Objective: Completed Mission 3 as Contractor or higher.

Mission 4 Complete
Reward: 15 Points
Objective: Completed Mission 4 as Contractor or higher.

Mission 5 Complete
Reward: 15 Points
Objective: Completed Mission 5 as Contractor or higher.

Mission 6 Complete
Reward: 15 Points
Objective: Completed Mission 6 as Contractor or higher.

Mission 7 Complete
Reward: 30 Points
Objective: Completed Mission 7 as Professional.

Mission 8 Complete
Reward: 30 Points
Objective: Completed Mission 8 as Professional.