- Easy 'Rock, Paper, Scissors' achievement
Push Y while not in combat and next to your partner to play rock, paper, scissors. Use the D-pad to select rock, paper, or scissors. Be victorious in three times sequentially to get the 'Rock, Paper, Scissors' achievement.

- Cheats
Successfully complete the game to unlock the 'Big Heads' and 'Infinite Ammo' cheats in the 'Options' menu.

- Easy 'Hate Monger' achievement
Improve a weapon until it has nearly a 100% aggro rating to get the 'Hate Monger' achievement. Notice: Style upgrades such as Jigsaw and Pimp will add a lot of aggro.

- Begin with fully upgraded weapons
Begin a new game. Use the begining money to upgrade your weapons or buy new ones. Play the game until reaching the cutscene with the moral choice. Select the moral choice, then go to the main menu during the cutscene with the explosions. Select Campaign mode, and choose the one that was just played. Select 'New', and you will have all the previously bought weapons, upgrades, and money from the previous mission. However, you can upgrade your weapons again. Repeat this process to fully upgrade and purchase all the begining weapons.

- Easy 'Grenadier' achievement
At the first 'Civilian' hostage spot in Chapter 1, tie down the three enemies, then throw a grenade in the middle of them to get the 'Grenadier' achievement. Note: You will also kill the civilians with the grenade. Thus, rebegin from the checkpoint after getting the achievement.

- Prequel bonus
Have a saved game file from the original Army Of Two to unlock the AS-KRI and S0-Z Grand Pinger for purchase.

- New areas
When entering a new area, take your time to explore it. There may be civilians around that you should protect or alternate paths that you and your partner can exploit.

- Achievements
Do the following things to obtain the corresponding Gamerscore points:

5 Points
The Pessimist	You need to make a negative coop morality choice.
The Optimist	You need to make a positive coop morality choice.
Not What I Thought It Was	You need to complete Chapter 1 on Any Difficulty Level.
10 Points
Pumpkin Patch	You need to shoot 2 enemies in the head with a single bullet.
A Steep Descent	You need to complete Chapter 2 on Any Difficulty Level.
Attention Grabber	You need to allow your partner to snipe 5 guys while in Mock Surrender.
Co-Op Sniper	You need to Co-Op Snipe 5 enemies.
Healer	You need to heal your partner 10 times.
Not So Bad After All	You need to tie up 15 enemy combatants instead of executing them.
Total FistBump Destruction	You need to finish the game as best friends.
Hate Monger	You need to customize a weapon to high aggro.
In Synch	You need to kill two enemies with simultaneous Quick Draws while in Co-op Mock Surrender.
Total Fistbump Deflation	You need to finish the game in a fractured friendship.
Grenadier	You need to kill 3 or more enemies with a single grenade.
15 Points
A Decent Animal	You need to complete Chapter 3 on Any Difficulty Level.
Quick Draw	You need to kill 25 enemies with a quick draw from mock surrender.
Open Hand Slap!	You need to kill 50 enemies with a melee or bayonet.
Chaaaaarge!	You need to charge through 20 enemies.
Meat Bag	You need to use 15 enemies as human shields.
20 Points
Loot and Pillage	You need to collect $1,000,000.
Old Faithful	You need to kill 400 enemies with assault rifles, sub machineguns or shotguns.
One Shot, One Kill	You need to kill 100 enemies with a sniper rifle.
Emergency Room	You need to complete Chapter 4 on Any Difficulty Level.
The Truth Is Right Here	You need to listen to all of the Radio Broadcasts.
Pistolier	You need to kill 150 enemies with a pistol.
25 Points
Unbreakable	You must survive an entire level in one session without being downed on normal difficulty or above.
Gone Shopping	You need to complete Chapter 5 on Any Difficulty Level.
30 Points
Full Arsenal	You need to collect All Weapons and Weapon Parts.
Survivor?	You need to complete the Game on Any Difficulty Level.
Humanist	You need to save every hostage.
50 Points
The Beast	You need to kill 6,666 people in Campaign.
Touch Not a Cat but a Glove	You need to shoot all Maneki Neko cats in the game.
Softcore	You need to complete Half the Game on Contractor Difficulty.
100 Points
Hardcore	You need to complete the Game on Contractor Difficulty.

5 Points
Fresh Meat	Versus
Rock, Paper, Scissors	Clear your partner at rock, paper, scissors three times sequentially.
Big Game Hunting	Versus
Fancy Meeting You Here	Versus
10 Points
Death Dealer	Versus
DIY PMC	Versus
Job Seeker	Versus
15 Points
Power Couple	Versus
Scavenger	Build a gun using 3 homebrew parts.
20 Points
Purist	Make only positive choices.
Heartless	Make only negative choices.
30 Points
All Guns Blazing	Versus
Future Visions	Unlock all Potential Futures.
Bound For Life	Versus
King of the Hill	Versus
50 Points
Survival of the Fittest	Versus

15 Points
Pick a new face	There are some bad ass masks lying around the city. Find one or two to change your look.
25 Points
Good fellas	Meilin Jun is a snitch and a traitor. Give her what she deserves.
Good Guys	Meilin Jun betrayed the civilian resistance but if it's of no consequence to you, let her live.
Men of the people	Escort all hostages to safety.
Can it really be that simple?	You've got a chance to take out Jonah, the leader of the FDI. Don't blow it.
35 Points
Paging Dr Wu	Dr. Wu is digging up some intel for you. Make sure he stays alive long enough to find it.
50 Points
Hit & Miss	Finish Chapter 8 on any difficulty level.
Train wrecked	Finish Chapter 9 on any difficulty level.

- Bonus costumes
Successfully complete the game to unlock the Civilian, End, Light Armor, Mall, Medium Armor, and Old School costumes.

- Easy 'Pumpkin Patch' achievement
At the first 'Civilian' hostage spot in Chapter 1, have your partner tie down the first enemy. The other two enemies will get on their knees, allowing you to shoot them both in the head with one bullet to get the 'Pumpkin Patch' achievement. Note: Rebegin from the checkpoint after getting the achievement if desired.

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