Nathan-UFC

Helpful Stranger Revive a player from a different Squad in MWZ

Two's Company, Four's a Party Complete any Adventure level with 4 players.

Undiscovered Truths Find all the intel hidden in Nightfall.

Chuck Greene: Cross-dresser? Change into all pieces of clothing in the game

Burgertown Escort Service Rescue 1 survivor in Infection.

Budokai Advanced Champion Win World Tournament mode on Advanced in Dragon Ball Z: Budokai

Budokai Team Earth Unlock Great Saiyaman, Trunks, Yamcha, and Hercule in Dragon Ball Z: Budokai

Eh...what's up, doc? In cooperative mode, revive wounded players 5 times.

It's a Dry Heat Kill 3 enemies with a single U4 Firebomb

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

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

Ending E Achieved "Surprise!" ending.

So Euro Enable European competition in the first season of Career

Hot Pants Complete I Now Know Why You Cry

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

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

Keeper's Best Friend Prevent a goal with a sliding goal line clearance

Ladies Night Beat an Echo Six Expansion Pack mission with the 3 female characters in your party.

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

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

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Oh Yeah!!! Complete Nothing is as it Seems

Mr. Death Get all Trophies.

Spiritually Attuned Make 100 Psychic Links (Share or Steal)

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

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

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Street Fighter Complete all Dragon's Teeth Assignments

That Party was Ace Ace every Adventure level in The Journey Home.

State of the Badass Art Complete all Campaign levels on Ultimate Badass difficulty

Alright, Alright Survive until round 10 in Infection.

ARCHIVIST Collect all documents

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

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

Collector Loot 10 Superior or Custom items.

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

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

Survivor Survive until Round 25 in Outbreak.

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

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Complete Episode 3 Complete all the chapters in Episode 3.

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

No Goal for You! Goal Line Clearance

Footy Foul Kill 2 enemies with 1 Slide Kick during Slow-Mo

You Can Pet The Dog Pet a Hellhound in MWZ

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

The Wanderer Manage three different clubs in three different countries in a single Career

To Hell And Back Finish the game on Very Hard Mode with any character