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Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

Relieved of Command Kill the general commanding the Moscow defenses

Packrat Collect 50% of Data Drive files in the Bloodline expansion

Horsepower Completionist Gain all stars in 'Horsepower'.

Backwards & Forwards Complete ALL levels in N. Verted mode

Spectrum Needler Buddy Acquired Spectrum Gatling, The Needler, and Udder Buddy.

I’ve seen some things… In Kino Der Toten, visit every location the teleporter can take you to.

Elements Completionist Gain all stars in 'Elements'.

Greenlight Protocol Powered the reactor.

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

Utility Man Complete all Missions intercepted from cellular tower signals

Skilled Pal Tamer Caught 50 kinds of Pals

Seal the Deal Complete a Triumph Seal.

Qualified Have a Ghost Skill of 90% for a single mission

Completionist Dominate 100% of Career by beating all the track records.

A for effort Attain a Time Trial star rating of 35

My Power Level is 530,000 World Match - Acquire 530,000 BP.

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

A Man of Principle Complete the SAM'S STORY chapter earning the Captain's full trust.

Great Owl Find all the Night Hunters' secret stashes in the SAM'S STORY chapter.

Moneybags Have 15000 credits in the bank in Outbreak.

RPM Completionist Gain all stars in 'RPM'.

That's the Spirit! Earn all 75 Stamps available in the Wild Spirits Career

It's just a scratch Complete THE TWO COLONELS Chapter without using any Medkits on Normal or higher difficulty.

Guilty as Charged Complete a Murder Circus Finale with Chief Justice.

Gimme Five Attain Level 5 with all Murder Circus contestants.

Pack-A-Punch-ectomy In Revelations, recover the Pack-a-Punch machine from its abductor.

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

Most Dangerous Game Complete a Murder Circus Finale with Artemis.

Lucky Stiff Found Lucky Montoya's body.

Forever Marked Progress the story to unlock.

Love Has Prevailed Defeat King Cepheus.

Blood Bank Kill 10,000 enemies

Shadow Vigilante Master the Shadow Vigilante Dark Knight track

Viva La Reina Complete a Murder Circus Finale with Consuela.

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Living the Dream Complete a Murder Circus Finale with Daniel Li.

Pursuit of Knowledge Filled 80% of the Datalog.

Army of 22 Rescue 22 Bee Team guards

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

No Loose Ends Eliminate the leader of the Raven's Rock faction

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

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

Whose Backyard? Beat Travis Pastrana in a Throwdown.

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

Mutt And Jeff Asked a companion to be the Bad Inspector.

X Games America Champ Win X Games America.

Showboating Bask in your success at X Games America.

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Just Another Day at the Office Complete the campaign for the first time