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Plus Package Upgrade a Contraption

Skilled Clear any mission (including Side Ops and Extra Ops) with a S-rank

Master of Hexes Learn all hexes

Twice Nightly Complete New Game Plus

No Key For Me Clear the Millennium Tower stage without the boot-up key in Scenario Campaign Mode.

Let There Be Light Dispelled every instance of the Dark Realm in the main missions.
43/47

From the Shadows In Shadows of Evil, spot the Shadowman fives times in one game.

Silver Revenge Obtain 48 medals on the original Arkham City ranked maps (as Batman)

One for the Books Complete the Game Records section of the Gummiphone.

Biff! Bap! KaPow! Kill three enemies in a melee combo.

Electric Avenue Use the EMP to take down 25 drones

Storyteller Collect all Story entries in Jiminy's Journal.

Erion Dictionary Gathered at least 50 texts.

Tactical distractor Distract 20 enemies with flint or rocks

Congratulant's Trophy Obtained Best Weapon by Faintstone

Counter-serum Chat with Dr. Hypatia aboard the Dreadful Wale

Locked and Loaded Develop 300 or more development items.

Thousands of candles Defeat the Guardian

Meet Cypher's Edge Max out the Hit Meter 25 times

Time Out Assign a settler to a pillory

King of Adventure Discovered all of the treasure chests

Rolled Over You managed 5 car rolls in a row from one crash.

Odachi Master Acquired mystic art for the odachi.

Friend of Guardians Collected all Guardian Spirits.
24/25

A Night in 1849 Visited the past

In Storybook Endings Lock up Mad Hatter in GCPD.

"You wanna stay, shut your mouth." Make it to the party as Tyler.

Kodama Leader Collected all Kodama.
83/150

Wayfarer Took 50,000 steps.

Final Mix Master Clear game on Final Mix or a higher difficulty level.

Silent Partner Damage the same enemy in Cooperative Mode for 100 kills

The Angelic Ruins Completed the larger challenge in The Angelic Ruins coliseum

Sociopathic Networker Talked to all of Claptrap's Holographic Projections.

Master of Sorcery Learn all sorceries

Hang in There Earn a Revival Master Boast 5 times

Playground Bully Unlock all 4 areas of the Playground.

Shade Master's Trophy Obtained Best Weapon by Cloudstone

Blood Dancer Defeated 500 foes.

Spreading the Word Collect over 50 Guild Cards.

Long way down Throw an enemy off one of the bridges (Mission 8)

His Own Medicine Disarm the Gouverneur and kill him with the branding iron.

Glim Reaper Awarded for gathering 2,000 glims.

Samurai of Legend Completed all missions on any difficulty level. (Does not include Twilight, training or additional missions included with updates.)
69/73

Poison Master's Trophy Obtained Best Weapon by Mercurystone

Synthesist Complete the Synthesis section of the Gummiphone.

The Fat and the Furious Complete a Continuous Speed Run as Doughnut Drake

Bring 'em to Justice Capture all warrants alive in single-player

Elevator Action Knock off every Tripod during the Elevator Sequence

Legendary Gunsmith Cold Darkness Challenge: Open 6 upgrade pry chests

Freedom of Speech Save the Printer of the Dunwall Courier