Steampunk

Hobbyist Unlock 3 Fighter Card backgrounds.

The Road to Glory Win every battle on Victory Road.

Terma-nated Defeated Solomus and the Terma Ten.

Head Trauma Use every type of melee weapon on a zombie

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

One with Oblivion Defeated Lambda Theos. Impressive!

Flatline Completed Ending Five

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

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

Hard pressed Complete all levels on Hard

Monkey Obsessed! Collect every Monkey Toy in the game.

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

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

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

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

Loyal Customer Purchased all upgrades in the Motor Forge

Master Silencer Shoot down over 500 white noise.

Who Were Those Guys, Again? Defeated Veigue, Reala, and Amber.

Son of a Gun TOMCAT resents you

Bad Association Lexi resents you

Damage Control Earn an A Rank in all 5 rescue missions

Threat Neutralized Get past the security ROMs without taking a scratch

More Like Rean QUARTZ-er Gathered all 28 varieties of master quartz.

Decked Out Purchase or unlock all relics, equipment, and upgrades.

36 Challenges This is proof that you've collected all 36 anomalous orbs. You've poked around in every nook and cranny, you've laughed, you've cried, you've questioned your assumptions... But you made it!

Valedictorian Achieve an Overall Evaluation grade of A

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

Software Engineer Upgraded your AC's OS.

No Heart To Break At the end of it all, you are resented by Turing.

Too Late Complete Junktown

Seeing Red Find Monika

Crown of Nightmares Completed the game on nightmare difficulty.

The Hunt for Infinity Complete Story Mode chapter "Symbiote Attack."

Elite Frame Runner Collect all trophies

Quill Tosser Killed a Tollusk using only Ground Urchins.

Combo Machine Perform 20 auto combos. (Arcade/online only)

YOU > Evil...Caves Conquer all Caves of Evil
with Kisuke and Momohime.

Cleared The Fiend Hunter Completed Chapter 5.

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

J-STARS Victory VS+ Collect all trophies.

The Spider's shadow Complete a Noir level without triggering an alarm

Artful extraction Absorb your third Boss Stem Cell

A New Blue Completed Ending Three

Voices From Beyond Unlock all songs in the Mouth of Metal

Data Log Collector Obtained ten data logs.

Finished, without fear. Finish the game with two Boss Stem Cells active

Maniac Get an S-Rank on all stages on Hard difficulty or higher.

Lucky Number Seven Get all 7s on the MonoMono Slots.

Complicity Completed Ending Four

Treasure Hunter You opened many treasure chests.