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Reminiscence Obtain all memento photos.

Architect Construct all available platforms for Mother Base.

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

Whole World Blind Complete the Two Graves Side Mission

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

Aqua Medal Defeated the Chieftain's Mech using Brittle Knack

Ruby Medal Cleared a chapter as Vampire Knack

Only a Real Master Make a comeback when at low health (10% or less)

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

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

Putting Things In Perspective Complete any Timeline

Short Out Defeat the Stalker in under 60 seconds

Impossible Rescue Rescued the Bot in Megamix Mastery.

Jump through Deese's Donut Successfully land the Island Mega Jump through Deese's Donut

One Way To Do It Endurance Challenge: Warm up from freezing by standing in fire

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

The Taken King Complete "The Taken King" quest.

Sharing is Caring! Cheer up the same teammate 3 times in a single stage.

Spinning Leaf Cold Darkness Challenge: Get 5 headshots with the regular arrows in 1:00

Leaping Lizards Complete The Wrathful God Side Mission

Bull in a China Shop Freeze and melee kill 3 Ravagers

Mean Egg Machine Drove off Eggman.

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

Electric Burn Kill the Electric Great White

Battle Tested Reach Commander (Level 55) in Multiplayer while playing online.

Combat Specialist Cold Darkness Challenge: Complete Cold Darkness without dying

Another Brother Falls You survived the drive into Sinclair Parish

Relic Hunter Assist in capturing 20 capture points in Salvage.

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

Shadow Killer Kill the Shadow Orca

Raider Complete a Raid.

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

Fighter Defeated 1,000 enemies.

Eyes Of The Storm Obtain A Thousand Eyes skill, equip elite versions of Oathtaker's Bow and Sinchi Chiqa Battle Dress

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

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

Twice Nightly Complete New Game Plus

Mediocrity Complete Campaign Mode On 'Normal'

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

The Last Laugh The joke's on who?

Career Criminal Attain 100% Game Completion.

Bone Breaker Kill the Bone Sperm Whale

Put Herself Together Complete the Mother Protector Challenge Tomb

Gladiator Completed a Coliseum Attack stage

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

Headcase Headshot a Demolition mech 20 times.

Perfect Aim Win a match as Deathstroke without missing a shot (minimum 12 shots)

The Red Door Disobey Adler’s order to go through the door in Break on Through.

Creature Comforts Obtain White Breath skill, equip Grip of Fear White Knuckle and Scales of Q Feathered Serpent

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