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: Complete all 16 rounds of an Extraction game in a public match
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: Earn the highest partnership score in a Co-op Deathmatch, Control or Warzone public match
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: Kill both members of a single partnership during 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
Survive an entire level in one session without being downed on normal difficulty or above
Kill 25 enemies with a quick draw from mock surrender
Allow your partner to snipe 5 guys while in Mock Surrender
Unlock all Potential Futures
Make only negative choices
Collect All Weapons and Weapon Parts
Shoot all Maneki Neko cats in the game
Co-Op Snipe 5 enemies
Charge through 20 enemies
Build a gun using 3 homebrew parts
Finish the game in a fractured friendship
Kill 100 enemies with a sniper rifle
Listen to all of the Radio Broadcasts
Tie up 15 enemy combatants instead of executing them
Save every hostage
Beat your partner at rock, paper, scissors three times in a row
Make only positive choices
Finish the game as best friends
Complete the Game on Any Difficulty Level
Make a negative coop morality choice
Collect $1,000,000
Kill 400 enemies with assault rifles, sub machineguns or shotguns
Complete Chapter 5 on Any Difficulty Level
Kill 150 enemies with a pistol
Kill 50 enemies with a melee or bayonet
Kill two enemies with simultaneous Quick Draws while in Co-op Mock Surrender
Heal your partner 10 times
Complete Chapter 4 on Any Difficulty Level
Use 15 enemies as human shields
Complete Chapter 3 on Any Difficulty Level
Customize a weapon to high aggro
Complete Chapter 2 on Any Difficulty Level
Shoot 2 enemies in the head with a single bullet
Complete Chapter 1 on Any Difficulty Level
Kill 3 or more enemies with a single grenade
Make a positive coop morality choice
Versus: Create a custom facemask online (www.armyoftwo.com) and wear it in a public match
You need to complete Half the Game on Contractor Difficulty
You need to complete the Game on Contractor Difficulty
You need to kill 6,666 people in Campaign
Escort all hostages to safety.
There are some bad ass masks lying around the city. Find one or two to change your look.
Complete Chapter 8 on any difficulty level.
Complete Chapter 9 on any difficulty level.
Dr. Wu is digging up some intel for you. Make sure he stays alive long enough to find it.
Meilin Jun betrayed the civilian resistance but if it's of no consequence to you, let her live.
Meilin Jun is a snitch and a traitor. Give her what she deserves.
You've got a chance to take out Jonah, the leader of the FDI. Don't blow it.