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Chapter 4 Speedrun Complete a Speedrun of Chapter 4 below the target time.

Helpful Stranger Revive a player from a different Squad in MWZ

Give Them Something to Believe Complete New Game Plus

Big Game Trapper Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.

Chapter 3 Speedrun Complete a Speedrun of Chapter 3 below the target time.

Aviation ace Finish every level of the three types of PLANE challenges!

Super-sleuth With Snowy, find all the buried objects in "Tintin and Haddock" mode!

Undiscovered Truths Find all the intel hidden in Nightfall.

Tactical Upgrades Upgrade the M93R.

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

Gun-kata Use pistols to kill four enemies in a row within five seconds

You're Not Naked Obtain a cosmetic item.

Bike Win 5 Festival races using a Bike

Burgertown Escort Service Rescue 1 survivor in Infection.

Duty and Humanity Deliver some medicine to a man in need.

Tag, You're it! Use the Spotter Scope to tag 60 enemies or items in Open Combat Missions

Come On And ... Slam 10 zombies at once in Outbreak.

A Good Man Is Hard to Find Achieve a Camo Index of 100%

Tumbler Perform an impressive Barrel Roll

The Spider's web Defeat 50 enemies using the Amazing Charge Attack

2-fer Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm

Elevator Out of Order Reach the roof in 'Highrise' under 45 seconds

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

Donut Mess with a Cop Unlock Officer Dick.

Egg-stra Devastation! Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.

Beyond the Shades Encounter a former S.T.A.R.S. captain.

Going to the Vet Earn the "Veteran" Challenge Collection.
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Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

Shocking In Bangkok use the stun gun on 5 enemies

Alright, Alright Survive until round 10 in Infection.

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

Survivor Survive until Round 25 in Outbreak.

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Master treasure hunter Find all the TREASURES in "Tintin and Haddock" mode!

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Hard pressed Complete all levels on Hard

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

PEACE WALKER Clear the game without killing anyone

You Can Pet The Dog Pet a Hellhound in MWZ

They're People, Too! Complete a Marked Destination on the Map without Killing a Walker

Chapter 8 Speedrun Complete a Speedrun of Chapter 8 below the target time.

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

Wax On, Wax Off Parry all of The Boss's CQC attacks

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Have a Nice Trip! Kill a Walker That Is Falling Due to Dismemberment

Chapter 7 Speedrun Complete a Speedrun of Chapter 7 below the target time.

Don't Get Cocky Win a Vaultlanders battle.

Let Me Explain After a perfect parry, perform a total of four takedowns