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Super Sleuth You really nailed your case against Lee Hong.

The End You defeated Zhao Yun Ru and destroyed the Hyron Project.

Hidden Knowledge Learn the secrets of 5 Black Books

Extra! Extra! Collect all the red bricks (Single Player Only)

Consume This Use 10 Revive Consumables

Tactician Earn 1 star in each mission of Special Ops Mission Mode.

Gorilla Thriller Climb to the top of Wayne tower while riding a Gorilla and playing as a female character.

Beautiful Beats! Holly Luya, the Music Nymph is Free!

Datascraper Get an A rank on both Flash Tracer courses.

Destroyer Complete Level - Raxus Prime, act 2

Smash the State Help Officer Nicholas take out the trash.

Time Attacker Complete any time trial challenge.

Short Out Defeat the Stalker in under 60 seconds

Master Chef Earn an "Excellent" while preparing every type of cuisine.

Veteran Pilot Clear gummi ship mission 2.

Running in Style Used the Closet.

The Healing Touch Earn a Heal Master Boast 3 times

Ambush Defeat 4 enemies within the duration of a single scare effect.

Putting Things In Perspective Complete any Timeline

Plant Perfect As a Plant, Achieve a Perfect Win in Gardens & Graveyards

Any Means necessary Get 50 kills with the electric fence and fire traps in one game in Regular or Hardcore difficulty.

Bull in a China Shop Freeze and melee kill 3 Ravagers

The power of Democracy Kill 25 enemies with one stratagem.

The Scene of the Crime Rescue Mad Hatter's first hostage.

Flawless Hair, Check! Defeat an opponent without losing a single stock in an online battle

Stick it to the enemy Survive 15 consecutive waves using the analog combat controls.

Dial B For Bomb You unlocked the special ability of Packie's car bomb placement.

Unstoppable Reach Wave 15 in each mission of Special Ops Survival mode.

The Professional Completed the street chase in Comrades in under 2 minutes 30 seconds without dying

Mediocrity Complete Campaign Mode On 'Normal'

Nothing But Net Score a basket by lobbing a grenade through a basketball hoop

Boom Stick Use the upgraded Rossmore secondary fire to set 6 enemies on fire at once

Fireworks Use the Wildfire secondary fire to kill 6 enemies in one shot

Heavy Metal In Die Maschine, forge the Pack-A-Punch machine.

Mean Egg Machine Drove off Eggman.

King of Sportz In Sports, win a game with soccer ball vs CPUs with a 10 score lead

Extractamundo! Extract with a full squad on a Hard difficulty or more mission.

Werewolf Mastered Acquire 11 werewolf perks

Apprentice Complete Game - Apprentice difficulty. Do not change the difficulty after the game has started.

Justice League Unlock all Justice League characters (Single Player Only)

Twice Nightly Complete New Game Plus

Bringing the Pain Defeat 50 players using physical attacks in Versus.

Roops! Knock a Hybrid off the cliffs in Mt. Pleasant, PA

Fighter Defeated 1,000 enemies.

A Worthy Opponent Defeat a level 9 CPU in a 1v1 battle

Silver Revenge Obtain 48 medals on the original Arkham City ranked maps (as Batman)

Storyteller Collect all Story entries in Jiminy's Journal.

No Teleporting Allowed As a Plant, Destroy a Teleporter in Gardens & Graveyards

Head Games Rescue Mad Hatter's second hostage.

Complete a set During a single round kill an Infected, Suicider, Ram, Butcher, Floater, Walker.