Ultimaka

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

Take a Break You took a break from adventuring.

The Hunger Bio Leech 100 enemies.

Prom Night Survive night pursuit of level two or higher

Swinger Ring out an enemy with the Club

Heartless Rip out 10 Keres Wraith enemy hearts

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

Heavy Hitter Execute a 1000-hit combo

Skilled Defender Over the course of the game, you've blocked 100 attacks.

Forging Your Own Path Unlock the evil ending.

Stoner Break out of stone status 5 times in a row

Old Softie Don't push away Calliope for one minute

No Matter What - Normal Complete the game on Normal

One Slick Super-spy Use only the EMF Visualizer to complete Ada's gameplay segment.

No Guts, No Glory Perform a 2.5 second or longer swan dive

Black Sheep Every family's got one.

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

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

Chatterbox Complete all conversations with the Endurance crew.

Crack The E Nigma Solve every riddle on the island

Speedy McSpeederton Raced around the Ludicrous Speedway in record time

The Savannah Complete all levels in The Savannah

The Cleaner Complete the assassination side missions.

Master Fletcher Craft 25 of each special arrow type (Fire, Grenade, Poison)

Trick Shot Shoot a bottle out of the air

Chose Afterlife Entered the Infraworld.

Get Off My Cloud Get 100 High Fall take downs.

Weapon Proficiency Over the course of the game, you've scored 100 perfect attacks.

Fully Loaded Rescued enough Claptraps to earn 42 inventory slots

Sanctuary Complete "Sanctuary"

World's Greatest Detective Spirit of Amadeus Arkham revealed

New Kid On The Block You have joined the KKK.

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

Rotisserie Shoot a chicken out of the air with a fire arrow

We have Overtime! - Working Weekends? Enter Overtime!

Homemaker Place 10 stickers or decorations in your pod

Arkham City Sirens Drop in on an old friend

Photographer Use Photo Mode.

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

Master Blaster Kill 2 multiplayer enemies with a single explosive.

Down Boy! Kill a zip-lining enemy player in multiplayer.

Bacon! Kill a razorback boar using a Molotov cocktail

Tonic Collector Collect or Invent 58 Tonics in the Physical, Engineering and Combat tracks

Casual Girl Ordered a pizza, watched some TV and wore something casual.

8X Multiplier! Get an 8X Multiplier

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

Monkey Around In multiplayer, escape death 3 times by using the rope ascender.

Friendly Complete a level with more than one player

First Day in South Park You completed your first day in South Park.

Mastery You've unlocked all of the upgrades for a New Kid ability.