You need to kill 6,666 people in Campaign
Continue playing to unlock this secret achievement.
You need to collect All Weapons and Weapon Parts
You need to shoot all Maneki Neko cats in the game
You need to listen to all of the Radio Broadcasts
You need to allow your partner to snipe 5 guys while in Mock Surrender
You need to kill 25 enemies with a quick draw from mock surrender
Complete Chapter 9 on any difficulty level.
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.
Escort all hostages to safety.
Complete Chapter 8 on any difficulty level.
You've got a chance to take out Jonah, the leader of the FDI. Don't blow it.
Dr. Wu is digging up some intel for you. Make sure he stays alive long enough to find it.
There are some bad ass masks lying around the city. Find one or two to change your look.
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 3 or more enemies with a single grenade
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 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 tie up 15 enemy combatants instead of executing them
You need to heal your partner 10 times
You need to Co-Op Snipe 5 enemies
You need to kill two enemies with simultaneous Quick Draws while in Co-op Mock Surrender
You need to shoot 2 enemies in the head with a single bullet
You need to finish the game as best friends
You need to finish the game in a fractured friendship
You need to collect $1,000,000
You need to customize a weapon to high aggro
You need to make a positive coop morality choice
You need to make a negative coop morality choice
You need to save every hostage