Uncle-Slippy

Mode master Win an online game of every mode in every difficulty at least once.

Tailor-made Chose a perfectly fitting armor

Ragazzi del 99 (Gelatus purgutoria) Pay a visit to the Ice Cream seller.

Orb of Delusion Obtain the Orb of Delusion artifact.

Man No More Build a suit of powered armor.

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Mindful Vandalism Place a sticker or a decoration on another player's sackperson.

ARCHIVIST Collect all documents

The Most Famous Hedgehog in the World Have your photos taken in Studiopolis Zone

ATROPHY You are so good. You are so special.

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

Toasted Burn 100 enemies to death in campaign mode

Favorite Clear all missions of any rank consecutively using the same gun parts.

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

Prime Directive Shatter Skeletron Prime.

High Score In Zombie Rush, obtain a Personal Score of 250,000

Making mountains out of molehills Kill 100,000 enemies.

The Twilight Tickler (Bulblio Bulblio) Congratulations. You lit all the fairground lights without zapping anyone.

Fully Loaded Maximize all upgrades.

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

Data Theft Hack 10 computers.

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

Precursory Search Collect all Precursor Orbs.

Shield Breaker Break 10 Shields

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

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

Suited-up Upgrade all Nanosuit modules to Maximum level

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

Blood Rights Kill Satan with Samson

Make Friends Acquire all six main characters.

Crystal Clasp Obtain the Crystal Clasp artifact.

Office's Affairs Cleared 3 sub-missions.

Superior Completion Skillz! Finish the game!
"Congratulations! Thanks for your hard work!"

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

Rod Complete 'Rod' Level

Loyal Customer Purchased all upgrades in the Motor Forge

Polar Angler Catch all known species of fish in The Pale Reach.

Frozen Favors Finish all side quests in The Pale Reach.

Gasmoxian Slug Beat all of Nitros Oxide's times in Time Trial Mode.

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

Think fast! Finish trial #8 with at least 52 seconds left on the clock.

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

Head Trauma Use every type of melee weapon on a zombie

Blast off! Play a full game of Space Station on Classic

Street Fighter Complete all Dragon's Teeth Assignments

Celebrated Master of Ognapology (Ognadae Tetratetron) Find four different species of Ognapod.

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

You Can Pet The Dog Pet a Hellhound in MWZ

E Pluribus Unum Earn 20 team citations.

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.