GABAergic

The Fifth Element! You've combined all the elements!

Folk Wisdom Read 10 different sayings in homes.

Taking Names Complete all 6 Calling Card Challenges in any Multiplayer Category

GENOCIDE Kill 50,000 enemies
0/50000

Fire Mission In Gorod Krovi, kill 8 zombies with a single Dragon Strike.

On the Shoulders of Giants Build the Gollop Chamber.

Bunch of Chumps Survive 15 waves in Multiverse Madness

To See the Unseen Obtain the Therm-Optic Shades.

Chapter and Verse Set a time in every challenge in a single Joyride Chapter

New Gear Crafted all gear sets found in CREO World

Iron Lung In Zetsubou No Shima, stay underwater for one minute.

Party Hard! Clear 10 consecutive waves wearing the Foam Dome. Now you're drinkin' like a fish!

Fireproof Gem Complete Curd Refinery.

It's Not Gonna Rain! Who needs an umbrella anyway!

Last goodbye Find out what happened to Bullet.

Parasite Victory Win a game with Parasite on Normal Difficulty or higher

Anna's Lover Collect 6 panties in one try

True Colors! See the real colors of Flint's Room!

Lama Complete a dungeon with 10% Curse or more.

Gallo Defeat Gallo.

Pantsu Hunter Collect 18 panties

The Mechanist! The mechanist cracks any vault mechanism open in 12 or less actions!

You Got Served, Lawrence! Insult on injury I tell you that!

Drinkindor! Hmm, difficult. VERY difficult. Plenty of thirst, I see!

Rebound King Make a bullet bounce 20 times.

Showtime Successfully perform 100 combos

The End Complete epilogue

The True Loser Lose 70 times

Mid-Air Mutilation Kill an airborne Bouncer.

Medallist Obtain any medal in 10 different challenges

I need your Headband, Sunglasses and Minigun Get Headband, Sunglasses and Minigun in one run in Commando mode

Fragile Alliance Make Roman Khabko kill Vitaly Reznikov and subsequently try to run away on his own.

Boat Enthusiast We really like boats

Mercenary Reach Rank 20 (Ranked Match)

The Virus Destroyer Remove all viruses in 20 seconds

The Puppet Master Collect all Charon's logs.

Eastbound & Down Ran the California Highway in under 9 mins in a US car

Best of Friends Defeat 5 psychopaths in Co-op.

Unlock Cappella Magna Complete Meany Bridge.

Swollen Fist Reach 40 Deck size.

Invincible Defender Complete Boss Rush mode. Talk about deja vu!

The URANUS Clear area 4 in play mode or travelling mode.

The Curtain Falls Flawless FreeFlow in every round of the Monarch Theatre as Batman, Robin, Nightwing and Catwoman.

Requiem for a Killer Defeat an old adversary in the Iceberg Lounge AR Challenge, playing as Batman.

Deep Roads Safari Killed a genlock, genlock alpha, hurlock alpha, bronto, and deepstalker in the Vimmark Mountains. ("Legacy" downloadable content)

Family Legacy Applied three effects to Hawke's Key. ("Legacy" downloadable content)

Discover Vicious Hunger Evolve Gatti Amari.

Shadow Pinion Reach Level 15 with Concetta Caciotta.

Side Stories Open all extra-scenes

Pure Poetry Complete all The Pen and the Sword Challenges.