ProfessorHowl

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

Closing the Experiment Log Earn ALL of the platinum Flashback Relics

To Hell And Back Finish the game on Very Hard Mode with any character

The Lich-Queen's Wrath Ally with Voss against the Githyanki God-Queen. Good luck.

Views From the Abyss STU: Complete "The Spider's Thread" mode.

Going to the Vet Earn the "Veteran" Challenge Collection.
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Woah! Earn all the other trophies.

Into the Manse Entered the duke's manse.

Champions of the Opéra House Complete all Special Portals in Country of the Musketeers as both Sora and Riku.

Champions of the Harmonic Score Complete all Special Portals in Symphony of Sorcery as both Sora and Riku.

The Road to Glory Win every battle on Victory Road.

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

Orb of Delusion Obtain the Orb of Delusion artifact.

Extreme Manhunt Complete a Seasonal Manhunt mission on Challenge difficulty or above.

Headshunter Defeated a hydra or archydra.

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

Barrel of laughs Kill 20 enemies with barrels

Street Fighter Complete all Dragon's Teeth Assignments

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

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

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

J-Adventure Maestro Clear all story arcs in J-Adventure mode.

The New Fort Knox Gain 1500 gold bullion

Survivor Survive until Round 25 in Outbreak.

Make Friends Acquire all six main characters.

Crystal Clasp Obtain the Crystal Clasp artifact.

Loyal Customer Purchased all upgrades in the Motor Forge

The City Awaits Leave Act Two - Baldur's Gate is just over the horizon.

You Can Pet The Dog Pet a Hellhound in MWZ

Wish Upon A Star Complete Sofia's story

Damage Control Earn an A Rank in all 5 rescue missions

Alright, Alright Survive until round 10 in Infection.

Master Silencer Shoot down over 500 white noise.

So What's Wrong with Taking the Back Streets? Take an alternate route during the Nonstop Debate.

Valedictorian Achieve an Overall Evaluation grade of A

Bloody Lust Kill Isaac with Samson

The Bereaved Unlock Wendy

Ultimate Collector Find all treasure.

The Explorer Visited 150 locations.

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

The epitome of Super Earth Complete all Trophies.

Elite Frame Runner Collect all trophies

Quill Tosser Killed a Tollusk using only Ground Urchins.

Challenger of the Rift Completed a floor of the rift labyrinth.

Heavy Ordinance Specialist Destroy 50 Aerial Scorestreaks with Launchers in Multiplayer

Aw, Shucks Pick up the Princess 200 times

Solitude Obtained the almighty power of sovereignty.

$#!&'s Getting Science Complete Case 3 of the Story

A Blank Card Kill Isaac with Eden

Endangered Lizards Killed all shining lizards