StriferGT

Scarlet Sprouts (III) Raise the Frostbearing Tree to Lv. 12.

Get him! Win a Quick Race on a track in the Batcave (not unlockable in Split Screen).

Prime Directive Shatter Skeletron Prime.

Lovely Challenge II Discover the Lord of the Gnomes and the Handyman costumes

Like a glove… Finish trial #6 with 3 hearts left without picking up a spell.

ARCHIVIST Collect all documents

Farewell to a Friend Put a friend out of their misery.

Down We Go (II) Clear Floor 8 of the Spiral Abyss.

Phantom of the Opera Kill 4 players with one Chandelier

I Clear Chapter 1.

Real Estate Agent Have all possible town NPCs living in your world.

MISTER OVERYLD Complete the puzzle of Mister Overyld

Dirty Half-Dozen Complete the Cooperative game mode

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

Spidery Point Destroy the Spider Boss on Arachnophobia, without destroying any of its mini guns.

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

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

Repeat Customer Save yourself by using the Death Barter enchantment twice in a single mission.

Lovely Challenge III Discover the Rocket Rocker and the Tumbling Stone costumes

Muay Thai Master Perform all the moves for the Muay Thai fight style in a single fight

Old School Play a 2,3,4 player split screen local game

Man No More Build a suit of powered armor.

Legendary Crafter Craft a Legendary Item in any Mode

Dedicated Knight Complete 200 Event Quests.

Crown of Fortitude Completed the game on hard or nightmare difficulty.

Don't burn yourself out Defeated the Keeper

Death Proof Defeat the Grim Reaper.

Clash in a mirror Kill Hiroki Demon without getting hit

Release the Kraken! Killed 20 enemies during the boat exfil in Rip Current

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

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

Follow your blade Complete the game with the path of fury

Raksha Research Initiate Upgraded to Defense Level 3.

The Golden Arms of Gallia Obtain the decoration given to Silver Arms awardees who have gone on to defeat a total of 1,000 enemies in the defense of their homeland.

Legendary Hero Reach Reputation 5 with any Hero.

Tailor-made Chose a perfectly fitting armor

Disco Master Perform all the moves for the Disco fight style in a single fight

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

Butchered Barachiel Defeat Barachiel in the engine room of the celestial ship.

Monkey Obsessed! Collect every Monkey Toy in the game.

What Do We Say To the God of Death? Bandage yourself 3 times in one life

Finale Unlocked the Ending Movie

Zoologist Control the ram and feed your opponent to the alligator

Up-Lifting On Monorail Factory, kill all enemies whilst riding the lift

Social Note-working Completed all of the character profiles in the notebook.

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

Save some room Finish trial #20 one unit below the zapper.

Blood Rights Kill Satan with Samson

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