Full list of all 58 Army of TWO: The 40th Day achievements worth 1,250 gamerscore.
The base game contains 50 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 8 achievements worth 250 Gamerscore.
Versus: Win a public match on every map in Co-op Deathmatch, Control and Warzone
Versus: Kill a player with every weapon, including special weapons, in public matches
Versus: In public matches, kill a player with the primary or secondary weapon from every weapon kit
Versus: Kill 10 players with headshots on a single map in a public match
Versus: Earn the highest partnership score in a Co-op Deathmatch, Control or Warzone public match
Versus: Kill both members of a single partnership during a public match
Versus: Complete all 16 rounds of an Extraction game in a public match
Versus: In a public match, survive an Extraction map without suffering a single death on your team
Versus: Revive your partner and perform a partner reload during the same public match
Versus: Invite a friend before joining a lobby to play a public match
Versus: Create a custom facemask online (www.armyoftwo.com) and wear it in a public match
Kill 3 or more enemies with a single grenade
Make a positive coop morality choice
Customize a weapon to high aggro
Make a negative coop morality choice
Tie up 15 enemy combatants instead of executing them
Shoot 2 enemies in the head with a single bullet
You need to complete Chapter 1 on Any Difficulty Level
You need to complete Chapter 2 on Any Difficulty Level
You need to complete Chapter 3 on Any Difficulty Level
You need to complete Chapter 4 on Any Difficulty Level
You need to complete Chapter 5 on Any Difficulty Level
You need to complete the Game on Any Difficulty Level
You need to complete Half the Game on Contractor Difficulty
You need to complete the Game on Contractor Difficulty
You need to use 15 enemies as human shields
You need to charge through 20 enemies
You need to kill 6,666 people in Campaign
You need to kill 150 enemies with a pistol
You need to kill 400 enemies with assault rifles, sub machinguns or shotguns
You need to kill 100 enemies with a sniper rifle
You need to kill 25 enemies with a quick draw from mock surrender
You need to kill 50 enemies with a melee or bayonet
You must survive an entire level in one session without being downed on normal difficulty or above
You need to heal your partner 10 times
You need to Co-Op Snipe 5 enemies
You need to allow your partner to snipe 5 guys while in Mock Surrender
You need to kill two enemies with simultaneous Quick Draws while in Co-op Mock Surrender
Beat your partner at rock, paper, scissors three times in a row
You need to finish the game as best friends
You need to finish the game in a fractured friendship
You need to listen to all of the Radio Broadcasts
You need to collect $1,000,000
You need to collect All Weapons and Weapon Parts
You need to shoot all Maneki Neko cats in the game
Build a gun using 3 homebrew parts
You need to make only positive choices
You need to make only negative choices
You need to save every hostage
You need to unlock all Potential Futures
Survive chapter 9 and while you're at it, throw a stick in the FDI's spokes.
Positive morality choice. Choose to let the traitor live.
Negative morality choice. Choose to kill the traitor.
Escort all hostages to safety.
Follow the intel trail and take your shot at Jonah. Just be prepared for the consequences.
Kill the FDI leader. Could it really be this easy?
Protect Dr Wu from the FDI foes.
Find one new mask in The Chapters of Deceit.