bacon3assassin

Hidden Agenda Discover 15 secret areas

Trepaning For Fun and Profit Collect all the items (skulls) on "Nightmare"

Hell of a Sheriff Complete the No Way Out scenario. (No training mode)

Old Fashioned Beat Down Complete HARM Challenges I to V

Archivist Unlock 80% of the Archive.
244/464

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

Back to School Play any Popit Puzzle whilst wearing a Newton costume

Paragon Learn every spell.

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

Scoped In multiplayer, get 25 headshots with longblaster rifles.

Abominizer Defeat all four abominations.

Iron Fist Destroy all towers and bunkers in 'Blood and Iron'.

Arctic Grave Push the chief witness into the ice lake in "Joe's Adventures."

Throwing Flak Kill 3 Talons with a single mid-air grenade detonation.

Mutie Blues Complete Blue Line Station in the Campaign

Double the Action Complete Campaign Mode In Co-Op Mode

Every Nook and Cranny Collect every collectable in the game.

Remember The Fallen Collect All Fallen Striders

Upgrades Available Improved your gear 30 times through tinkering and mods.
0/100

Flyboy Protect the bombers by personally shooting down 12 enemy planes in Battle of the Bulge.

New Shadow In 'The Savior', complete the mission without being spotted

Reminiscence Recreate all scenes in the "Déjà-Vu" Extra Op

Ultimate Warrior Reach rank 20 with all roles.

Craftsperson Craft a healing item and two of Frey's original pieces of equipment.

Danger Zone Reach full focus and take out 10 enemies before it runs out

KamuroGo Shopper Completed five stores in KamuroGo's Shop Missions.

What's In Store Build all objects in Bright Lights Plaza's LEGO Store

You Know Nothing Kill Kotch before his speech ends.

Cat Person Befriend all the Tantas' familiars.
2/20

Crocodile Shoot three enemies while underwater in 'Wetwork'.

Grave Robber Collect all Death Cards in the game. (Solo only)

Pilgrimage: Adept Visit fifty monuments.
11/50

Skilled Raised a skill to 100.

Repossession Seize 50 vehicles from enemy hands.

Happy Snapper Show pictures taken at all the photo spots to the children.
9/50

Rescuer Save 10 unique allies locked in struggle.

Free Bird Destroy 25 or more of Newton's robots

Master of Unlocking Open up all the lockers in the save room.

Through the Eyes of Another: Visionary Complete all the flashback challenges at the Monuments to Wisdom.
4/20

Like a Druid Complete a Trial of the Morrigan (Wrath of the Druids).

Going Steady A girl revealed her true feelings.

Cursed No More Purify a Cursed piece of gear.

Leave Everything to Me! Collect all the trophies.

Collector of Collecting Collect All Large Canisters

Forest child Complete the TAIGA level without attacking anyone or getting noticed.

Skilled Complete A Mission Without Receiving Any Damage

Repulsed Defeat 100 enemies with Force Repulse

Charted! - Brutal Finish the Game on Brutal Without Changing the Difficulty

Scary Stories to Tell at School STU: Complete all newly-added side missions revolving around the school.

The Flames Make It Go Faster Activate the Blazing Steed.