Complete each achievement to get the allotted gamerscore. The numbers between the () is the points given for each achievement.
| Achievement | How to unlock |
| Not What I Thought It Was (5) | You need to complete Chapter 1 on Any Difficulty Level |
| A Steep Descent (10) | You need to complete Chapter 2 on Any Difficulty Level |
| A Decent Animal (15) | You need to complete Chapter 3 on Any Difficulty Level |
| Emergency Room (20) | You need to complete Chapter 4 on Any Difficulty Level |
| Gone Shopping (25) | You need to complete Chapter 5 on Any Difficulty Level |
| Survivor? (30) | You need to complete the Game on Any Difficulty Level |
| Softcore (50) | You need to complete Half the Game on Contractor Difficulty |
| Hardcore (100) | You need to complete the Game on Contractor Difficulty |
| Meat Bag (15) | You need to use 15 enemies as human shields |
| Chaaaaarge! (15) | You need to charge through 20 enemies |
| The Beast (50) | You need to kill 6,666 people in Campaign |
| Grenadier (10) | You need to kill 3 or more enemies with a single grenade |
| Pistolier (20) | You need to kill 150 enemies with a pistol |
| Old Faithful (20) | You need to kill 400 enemies with assault rifles, sub machinguns or shotguns |
| One Shot, One Kill (20) | You need to kill 100 enemies with a sniper rifle |
| Quick Draw (15) | You need to kill 25 enemies with a quick draw from mock surrender |
| Open Hand Slap! (15) | You need to kill 50 enemies with a melee or bayonet |
| Unbreakable (25) | You must survive an entire level in one session without being downed on normal difficulty or above |
| Not So Bad After All (10) | You need to tie up 15 enemy combatants instead of executing them |
| Healer (10) | You need to heal your partner 10 times |
| Co-Op Sniper (10) | You need to Co-Op Snipe 5 enemies |
| Attention Grabber (10) | You need to allow your partner to snipe 5 guys while in Mock Surrender |
| In Synch (10) | You need to kill two enemies with simultaneous Quick Draws while in Co-op Mock Surrender |
| Pumpkin Patch (10) | You need to shoot 2 enemies in the head with a single bullet |
| Total FistBump Destruction (10) | You need to finish the game as best friends |
| Total Fistbump Deflation (10) | You need to finish the game in a fractured friendship |
| The Truth Is Right Here (20) | You need to listen to all of the Radio Broadcasts |
| Loot and Pillage (20) | You need to collect $1,000,000 |
| Full Arsenal (30) | You need to collect All Weapons and Weapon Parts |
| Touch Not a Cat but a Glove (50) | You need to shoot all Maneki Neko cats in the game |
| Hate Monger (10) | You need to customize a weapon to high aggro |
| The Optimist (5) | You need to make a positive coop morality choice |
| The Pessimist (5) | You need to make a negative coop morality choice |
| Humanist (30) | You need to save every hostage |
| Secret Achievements | - |
| Fist Bump! (5) | Didn't your mother ever teach you some manners? |
| Fresh Meat (5) | Versus: Revive your partner and perform a partner reload during the same public match |
| Fancy Meeting You Here (10) | Versus: Invite a friend before joining a lobby to play a public match |
| Big Game Hunting (10) | Versus: In public matches, kill a player with either the primary or secondary weapon from every weapon kit |
| DIY PMC (10) | Versus: Create a custom facemask online (www.armyoftwo.com) and wear it in a public match |
| Death Dealer (15) | Versus: Kill 10 players with headshots on a single map in a public match |
| Power Couple (30) | Versus: Earn the highest partnership score in a Co-op Deathmatch, Control or Warzone public match |
| All Guns Blazing (30) | Versus: Kill a player with every weapon, including special weapons, in public matches |
| Future Visions (30) | Unlock all potential futures |
| Bound For Life (30) | Versus: In a public match, survive an entire Extraction map without suffering a single death on your team |
| King Of The Hill (30) | Versus: Win a public match on every map in Co-op Deathmatch, Control and Warzones |
| Survival Of The Fittest (50) | Versus: Complete all 16 rounds of an Extraction game in a public match |
| DLC Achievements | - |
| Men of the people (25) | Escort all hostages to safety. |
| Pick a new face (15) | There are some bad ass masks lying around the city. Find one or two to change your look. |
| Hit & Miss (50) | Complete Chapter 8 on any difficulty level. |
| Train wrecked (50) | Complete Chapter 9 on any difficulty level. |
| Paging Dr Wu (35) | Dr. Wu is digging up some intel for you. Make sure he stays alive long enough to find it. |
| Good Guys (25) | Meilin Jun betrayed the civilian resistance but if it's of no consequence to you, let her live. |
| Good fellas (25) | Meilin Jun is a snitch and a traitor. Give her what she deserves. |
| Can it really be that simple? (25) | You've got a chance to take out Jonah, the leader of the FDI. Don't blow it. |