MasterDimicator

I am THE expert on weapons Obtained all weapons (excluding weapons obtained via password).

Sapienza Escalated Complete Level 5 of an Escalation Contract set in Sapienza.

Ancient Marrakesh Reach Marrakesh Mastery Level 20.

Special Election Rescue Russian President Volodin from the prison camp

Strangelove's Thoughts Read all of Strangelove's memoirs.

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

Miami Wise Reach Miami Mastery Level 20.

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Music Lover Collect all harmonica melodies in the SAM'S STORY chapter.

Soup Sandwich Ram Rose and Parvati, make Berg blow himself up and drown Graves.

A Big Fan of Lefties Acquire all enemy officers' left arms.

Enforcer Get at least 15,000 points in one Echo round

Skilled Adversary In IX have a Challenge banner with all 9 medallions

You Can't Destroy What I Really Am! Collect half of all nicknames and view the nickname list.
0/235

Gambler Play Slots 100 times.
39/100

A for effort Attain a Time Trial star rating of 35

Extinguisher In the Sewer map, kill 5 enemies in 1 wave by setting them on fire then extinguishing them

Swimming with the Fishes In Voyage of Despair, kill 50 zombies that are underwater in a single game

Ultra, Man! If yer gonna fight, give it your all, pal. Performing 100 Ultra Combos oughta do it, eh?

Seek & Destroy Get 2 Kills with a single remote controlled Throwing Knife from at least 50 meters away in Campaign

You're Not Worthy of Fighting Me! Parallel Quest completion rate is over 50%!
0/50

Pac-Dot Attack! Defeat 100 enemies with Pac-Dot and/or Bomb Attacks.
92/100

Go for Gold! In Onslaught, acquire seven gold chalices

I Want a Nice, Clean Game Play 5 PVP Matches

Chasers With Extra Responsibilities Intercept a shot on your goals

Hoarder Win Flag Rally with at least two captures of 3 or more flags at a time

Drop the Bass Eliminate both Morgan and Cross in a fall accident and both by dropping a coconut on their heads.

Together Till the End Be the last man standing

Seal the Deal Complete a Triumph Seal.

Party-pooper Sabotage the wedding.

One Night in Bangkok Reach Bangkok Mastery Level 20.

Factory Zero You survived Hei Zhen Zhu and RBS using no Praxis kits, weapons, grenades or mines. Whoa.

Collector Acquire all items available in normal time attack

Ancient Marrakesh Reach Marrakesh Mastery Level 20.

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Space Area Maze Clear all Space Area Maze Stages.
33/100

A Series of Unfortunate Events Eliminate Mendola with the crystal ball, Kong in an electrocution, and both by poisoning the pipe.

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

Hoarder Have a total of at least 250,000 points in Echoes Mode's total high score

We can kill it... As a Fireteam member, work with your team to kill a Predator

All Going To Plan! Master Zangief! I fought in 50 network battles! The ring came to life with the clash of burning spirits! (Excludes Battle Lounge)

Skewer the Winged Beast In Under the Radar, have the SAM target itself and the helicopter

Mission Complete Reach Colorado Mastery Level 20.

Of All My Fights You're My 2nd Strongest Foe Won endless battle 7 times!
0/7

Steamroller Flatten 3 different opponents in one Gate Relay race by dodging into them with the right stick or L1/R1 buttons

Relieved of Command Kill the general commanding the Moscow defenses

Hard Times To escape death is to beat the strongest of the strong. Finish Arcade Mode on Hardest, kid!

P・A・C・M・A・N Master Complete PACMAN for all stages with bonus letters.
19/100

Purist Win Smack Attack while using only your character's favorite weapon

Atomic Obliteration - Complete all the Challenges