Starfighter74

5 Machine Types Repaired Used the Machine Repair or Mount Repair skill on 5 different types of machine.

Wrecking Ball Stop the unstoppable

Head Over Here Collect 250 Metal Head Skull Gems

Free Radical Escape a level 5 police chase

United We Stand Defeated the Rakk Hive, the Vault Boss, Sledge, Krom, or Flynt in a co-op game

Enforcer Use the Crime Detection System to take down 20 confirmed criminals

Seasoned to Taste In the Main Campaign, killed 30 enemies with the Peppermill Crank Gun.

Familiar Methodologies Fight off Hartman

Mano-A-Mano Defeat Titan henchman without using Batarangs (any play mode)

Lost And Found Uncover the secret of Arkham City

Standard Communication Grid Wiretapped the Delray Hollow Smack Racket

Sandstorm We are legion

Made in New Haven Completed all missions in the Rust Commons

Careful, He Bites Killed 15 enemies with the Hunter's action skill

The Tower of the Elephant Kill something by standing on its head

Can't We Get BEYOND Thunderdome? Emerged victorious from an arena match

Raising the Bar In the Main Campaign, upgraded one attribute (Health, Shield, or Salts) to its maximum level.

Followed the Butterflies Follow butterflies to a treasure

Ding! Sleepless Earned level 40

Softened 'Em Up Completely weakened a racket by killing all of its Enforcers

To crush all trophies beneath sandaled feet For completing all trophies

Reckless Abandon Killed 15 enemies with the Berserker's action skill

Hide And Seek A deadly game of hide and seek

You're on a boat! I bet you never thought you'd be here

Magic Smoke Kill 4 enemies within a single instance of Focus

Speedy McSpeederton Raced around the Ludicrous Speedway in record time

Sanity Check Collect all 8 Burner Phones

Fully Loaded Rescued enough Claptraps to earn 42 inventory slots

< Make/Unmake > Use Shape and Fracture a combined total of 100 times
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World's Greatest Detective Spirit of Amadeus Arkham revealed

Three for One Earn a Triple Kill with a Level 1 Super Attack

Ghost Train Fight for survival

Industrial Accident In the Main Campaign, killed 20 enemies with a Sky-Hook Execution.

IQ Test Solve the first riddle

Pray on the Way Up You hung Ritchie Doucet from a Ferris wheel

High Flier Kill 5 duskbats without touching the ground
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Loom for Improvement Upgrade a piece of gear

Power Cycle Participate in 5 different City Games

Arkham City Sirens Drop in on an old friend

Darkness Looms Complete the final mission of the Missing Persons Investigation

Freefall Don't look down

Geolocated Check in at every Hotspot

Exit Stage Right All the world is a stage

Up to the Challenge Beat the Challenge of Olympus

Revoking Client Privileges Complete the final mission in the Human Traffic Investigation

Peephole Complete every Privacy Invasion

Saturday Night Special Complete the final mission in the Weapons Trade Investigation

Basest Base Complete every Gang Hideout

Ding! Champion Earned level 50

Unhuman Beat Titan Mode