Jamesyfox

Quill Tosser Killed a Tollusk using only Ground Urchins.

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

Sack the Postman Post all 6 invitations for the party.

Reaper Defeated the Harvester ("The Golems of Amgarrak" downloadable content)

Starlight, Star Bright Earn every star in Team Adventure Mode Chapter 4.

Pit Master Discover and fight Hidden Kombatant 3 in Arcade Ladder

At Least You'll Get A Trophy For It… Die while a Boss is Exploding

Test Subjects Use sheep as test subjects in 6 levels

Wander and the Forbidden Clear the game in hard difficulty

Voices From Beyond Unlock all songs in the Mouth of Metal

Reach For the Stars Earn every star in Team Adventure Mode Chapter 3.

Endangered Lizards Killed all shining lizards

Bloody Lust Kill Isaac with Samson

A Blank Card Kill Isaac with Eden

Muppet Mastery Complete The Muppet pack's story

Well, That Wasn't So Hard Complete all Team Adventure chapters on Hard difficulty.

Tinker Build an experimental item in the Proving Grounds

Climber Reached top of the shrine

Trophy Triumphant Acquire all trophies.

A Horrible Truth Recover the Blacksite Data

Car Explosion Cause an enemy to die in a car explosion

Theremad! Frobisher Says: "Figure it out from the title!"

State-of-the-Art. Bang, Bang! Kill 10 enemies in a row with Sniper Rifle headshots

Tourist Viewed all vistas

Passive Skill Fan Learn at least 10 different passive skills with any of your main characters.

Don't Listen to Her Defeat The Song

Dendro: The Essence of Flora Obtain the power of Dendro.

With Extreme Prejudice Skulljack an ADVENT Officer

Gale Forces K.O. the opponent 25 times with an attack after a quick move.

Sumeru: Continental Explorer (II) Light up the maps of the following areas in Sumeru: Hypostyle Desert, Land of Upper Setekh, and Land of Lower Setekh.

The Book Of Secrets Kill Satan with Eden

Squelched Sahariel Defeat Sahariel in the Cardianon control tower's central isolation chamber.

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Lazarus' Rags Kill Isaac with Lazarus

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

Mighty Wander Max out stamina bar

King of Bling Earn ALL of the Clear Gems

Wood Boy Beat The Forest light world without dying

Score Monger Complete 30 challenges in one Interval

Cirrus Touch a cloud

Lucky One Win 10 prizes in the lottery.

Big Top! Achieve a score of 2500 or higher in "Gonzo's Endless Cannon Run Ride!"

Supernova Earn every star in Team Adventure Mode Chapter 7.

Welcome to The War Play and complete your first Ranked Match in standard Deathmatch mode

Celestial Earn every star in Team Adventure Mode Chapter 6.

Star Power Earn every star in Team Adventure Mode Chapter 5.

Can You Feel The Sunshine? Earn every star in Team Adventure Mode.

Overachiever Watch the 100% bonus ending

Almost there Unlock the master trials.

Reunion Visit another Player's Base