Cozmogramma

Swinger Ring out an enemy with the Club

Forging Your Own Path Unlock the evil ending.

Hide And Seek A deadly game of hide and seek

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

Can't Hide In Campaign, kill an enemy through a wall or obstruction.

The Escape Complete 'Hunted' and 'Death From Above' on Veteran difficulty.

Bird on the Ground Shoot down an enemy helicopter with an RPG in the single player campaign.

Knucklehead Kill a total of thirty enemies using melee attacks.

The Bog Complete 'The Bog' and 'War Pig' on Veteran difficulty.

Hairdresser Kill five enemies in rapid succession with a headshot.

No Matter What - Normal Complete the game on Normal

Arch Villain Earn full negative Karma.

The Cleaner Complete the assassination side missions.

The First Horseman Complete 'Shock and Awe' on Veteran difficulty.

Maybe you should call a Doctor? Keep the Rage Meter Filled for 2+ Minutes

Cosplay Kill an Enemy While Playing as an Alternate Character Costume Other Than Drake

Fireproof Complete the Screw of Archimedes without getting hit by the Fire Traps

Petrol Head Drive at least thirty different vehicles.

Desert Storm Find the Desert Eagle in 'Crew Expendable' and kill 5 enemies with it.

Speedy McSpeederton Raced around the Ludicrous Speedway in record time

Fully Loaded Rescued enough Claptraps to earn 42 inventory slots

New Squadron Record Complete the cargo ship mockup in less than 19 seconds.

Ghost Train Fight for survival

IQ Test Solve the first riddle

With Great Power Comes Greater Power Unlock and purchase all powers.

Loom for Improvement Upgrade a piece of gear

Good as New Restored a Flower Shrine.

The Second Horseman Complete 'Safehouse' on Veteran difficulty.

Arkham City Sirens Drop in on an old friend

Fashionista Equip a full matching Gear Set

Freefall Don't look down

Tough Nut Finish the story on hard difficulty level.

Lightning Rod Defeat Steropes the Lightning Bringer.

Lubed up Complete the slide in the Statue of Apollo without dying

Time Paradox Kill Makarov and complete your mission

Friendly Complete a level with more than one player

Exit Stage Right All the world is a stage

Diamond Hard You cleaned out Vangelico to pay back Martin Madrazo.

Into the Woods Discovered the Forest.

The Man in the High Tower Find and use the hidden cache in 'Heat'.

Stuck Up Rob five stores in under five minutes.

Tag Teamed Hit 100 Enemies with the Oath Stone of Orkos

Ding! Champion Earned level 50

Not So Special Take out 10 Special Forces soldiers

Trial Combatant Complete a Combat Trial

Cruise Control Keep any vehicle at thirty mph or over for five more minutes.

If it ain't broke... Reconstruct all of the Decayed Chests

Did I do that? Complete Present 1

Dogs. I Hate Dogs. Kill 20 attack dogs with a knife.

Raising Expectations Reach a combo of 100