Skillz_Optional

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

Determined Don't use any hints to finish the game.

Bird Brained Brainbug at least one penguin from each of the 7 penguin ranks, including Putzki in a single playthrough

Gravestone Kill 100 Zombies with a vehicle in a single deployment in MWZ

High Flyer Reach the highest updraft above the mountain.

A New Path Awaits Witness the extended ending.

Top Ten Rank in the top 10 at the Coliseum for the first time.

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)

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

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

Linon's Beast Defeated Shactuka.

Orb of Delusion Obtain the Orb of Delusion artifact.

The Pathfinder's Tale Find all the lore of the Pathfinder's story.

Thanks for Playing! Complete the Final Chapter.

Leave no stone unturned Find all lore collectibles

Back in the Field Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected

Office's Affairs Cleared 3 sub-missions.

Make Friends Acquire all six main characters.

Crystal Clasp Obtain the Crystal Clasp artifact.

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

No Path Untraveled Collect all trophies.

A Toast Together Finish the final cabaret club event.

Dirty Half-Dozen Complete the Cooperative game mode

New Beginning Complete chapter 2

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

Raksha Research Initiate Upgraded to Defense Level 3.

Don't burn yourself out Defeated the Keeper

Hard pressed Complete all levels on Hard

Collector Loot 10 Superior or Custom items.

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

Tailor-made Chose a perfectly fitting armor

A Fighter is Born Complete all lessons in Tutorial.

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

Golden Idol Perform every Single Player Skillshot in the game

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

Monkey Obsessed! Collect every Monkey Toy in the game.

Follow your blade Complete the game with the path of fury

Clash in a mirror Kill Hiroki Demon without getting hit

You Can Pet The Dog Pet a Hellhound in MWZ

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

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

Call me Terror-Billy! Beat the game on "Call me Terror-Billy!" difficulty or higher

Untouchable Complete SAM'S STORY on Normal or higher difficulty without dying in Batwing encounters.

The Queen's Delusion Stopped the Serpent Queen from sealing her citizens away from the world.

Chapter 7 Speedrun Complete a Speedrun of Chapter 7 below the target time.

Full-Auto Frenzy! Kill a total of 200 Enemies using Rubi's Sub-Machineguns during acrobatic slow-mo.

Supernova Get 3 stars on each of the first 14 Echoes

Desperate Escape Rescued the wrongfully accused subordinates.

AMG Completionist Gain all stars in 'AMG'.