DXtro

Chapter 6 Speedrun Complete a Speedrun of Chapter 6 below the target time.

Compulsive Hoarder Obtain at least 100 hidden treasure items.

A Time of Wood and Stone Gathered the lost lore of Cadash Thaig ("Witch Hunt" downloadable content)

Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

Platinum strain You have it all!

Last Blood At the end of Guns of Stygia, kill all the enemies on the walkways before the explosions do

The Coin Bag Kill Isaac with Cain

Avenged Confronted the culprit behind the Vael family's murder. ("The Exiled Prince" downloadable content)

Memento Gave Sebastian a family heirloom. ("The Exiled Prince" downloadable content)

The River Complete "The River" challenge

Nemesis Complete "Nemesis" challenge

The destroyer becomes the destroyed Complete Act 5

They call me… Tim Hire an Iron Wolf

That Party was Ace Ace every Adventure level in The Journey Home.

Time to collect your thoughts Think twice before speaking.

Let the Dog Out Complete "Let the Dog Out" challenge

None left standing Break every wall of your team without breaking any wall of the opposing team in a Bob-Smashing race.

Fully Loaded Maximize all upgrades.

Street Fighter Complete all Dragon's Teeth Assignments

The Spice of Life Use three different types of Yamato weapons in a boss fight.

Channeled Rage Get a rage chain of 10 or greater.

Alright, Alright Survive until round 10 in Infection.

ARCHIVIST Collect all documents

Orb of Delusion Obtain the Orb of Delusion artifact.

Making mountains out of molehills Kill 100,000 enemies.

Perfect Date Finish a level without taking damage.

Untouchable Emissary Reach the end of the game without a game over.

Dirty Half-Dozen Complete the Cooperative game mode

Chapter 5 Speedrun Complete a Speedrun of Chapter 5 below the target time.

Skirmish - Chapter XIV Finish the levels from Chapter XIV in Squire difficulty

A word to the wise… When solving a puzzle, find what's needed the first time around.

Golden Skier Obtain a Gold Acorn time in Mountain Drift (Free Play only).

Peak Performer Win three games as the Mountaineer character

Survivor Survive until Round 25 in Outbreak.

Valsemborgate Find out about the region's dark past.

Don't burn yourself out Defeated the Keeper

Make Friends Acquire all six main characters.

Crystal Clasp Obtain the Crystal Clasp artifact.

Golden Slingshooter Obtain a Gold Acorn score in Coconut Slingshot (Free Play only).

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

Chapter 8 Speedrun Complete a Speedrun of Chapter 8 below the target time.

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

PEACE WALKER Clear the game without killing anyone

Good Listener Found 20 Portable Phonographs.
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That treasure is mine! Win a Tournament against a friend.

Tailor-made Chose a perfectly fitting armor

All Creatures Great and Small Rescue every captured friend.

Entrapment Kill 20 enemies with security guns in a single level.

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Golden Idol Perform every Single Player Skillshot in the game