SaltySlacker

Boy Genius Complete all 5 classes for every subject.

Diamond Geezertron Unlock the final skill in either skill tree

The Last Laugh The joke's on who?

It's a trap! Score a combo of 75 or more while fighting up the stairs at the "Front Gates of EEEEEEEVIL!"

Headcase Headshot a Demolition mech 20 times.

Strategist Performed a multitude of paradigm shifts.

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

Skate Pro Travel 50,000 meters on the skateboard.

The Big Boss Defeat Absalom

A Stroll In The Demonic Park Complete the game on any difficulty setting

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

Master Architect Build three houses

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

Welcome to Shibuya STU: Acquire at least one SHIBUYA♡HACHI stamp.

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

Noms Eat 10 pieces of food in SP

Bag lady Find all three hidden bags in one chapter

Chronosavior Obtained the highest possible result in the battle to determine the fate of the world.

One Armed Bandit Played 10 spins of Slots.

“A Shocking Turn of Events” – Expert The player has rescued the Little Sister in “A Shocking Turn of Events” in under 4:00

Every Woman for Herself Finish the game without saving anyone using Jill.

Clock Stopper Responded swiftly to the appearance of enemies.

Blood Master's Trophy Obtained Best Weapon by Suckerstone

Underground Passage Master Find 20 anomalies.

Glass Dismissed Break 300 bottles of the shooting gallery.

Gold rush Complete five Gold Challenges

Completionist Completed all missions in Secret Armory

The Final Countdown You showed millionaire Hugh Darrow that his logic was flawed.

Not a sole survivor No-one survived!

Mightier Than The Gun Kill all Visionaries in a map - and make it to the exit - without using a gun.

It's Raining Cats and Hotdogs Completed a round using the Mutator.

The Power of Three Completely upgrade three weapons.

A Little Closure You investigated the cult's activities at Sammy's

Creature of Habit You investigated the scene

For Close Encounters Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.

Skilled Clear any mission (including Side Ops and Extra Ops) with a S-rank

One against all Complete a Quick Race in Multiplayer mode.

Find all events Awarded when you find all 15 events on Big Surf Island

Congratulant's Trophy Obtained Best Weapon by Faintstone

Master Mechanic Fully upgrade all weapons in Campaign Mode

Untouchable Complete a Chapter without losing any health.

Pole Position Complete go kart street races.

You got a better way? Maxed Conrad and Fliss's Relationship

Hell-Burbia Completed the larger challenge in the Hell-Burbia coliseum

Squad Goals Score a Goal while in a Club Match (Online Matchmaking only)

Stack() Create a Function combination requiring 12 MEM.

Kickin' Up Dust You helped MJ and Roxy get the Witnesses free

Momma's Boy Complete 30 Errand missions.

Credit Where It's Due Reach Level 6 with one of each Gameplay, Game Mode, Vehicle and Event Accolades.

Get A Life Get A+ on all the chapters