Caeoleth

Campaign Gold Obtain all 108 medals on the original Arkham City campaigns (as Batman)

Stunt Flyer Fly an airplane close to the ground for 30 seconds.

Los Santos Legend Congratulations! You're Vinewood's biggest star!

Muk Yan Master Obtain the Wood talisman.

Monarch Abides Won the battle of Stellar Bay.

Communication Skills Endurance Co-op Challenge: Kill 5 enemies that have been marked by your partner

Indomitable Hunt 50 tempered monsters.

Regal Completely upgrade one throne.

Freeze Well! Kill 15 frozen aliens

A Meeting of the Minds Completed "A Meeting of the Minds"

Collector Complete a collection

Proto Tyrant Down Again Defeat the Proto Tyrant.

On Leather Wings Get picked up by the Infected Bat.

Need for speed Complete the time challenge on 25 levels

The Professional Trophy Win 'The Professional Trophy' event in Tour on gold star difficulty.

Fresh Meat Complete a public Road RAGE match

Repo Man You recovered the Aurora.

Master of Chance Defeat all opponents in Knucklebones.

I feel lucky Purified the sword of the unlucky grave robber

International C License Complete the International C License.

True Friendship You pulled off 3 Tag Crashes.

Specter Gauntlet Upgraded Fully upgraded the Specter Gauntlet.

Be on the Red team for Online Road Rage Awarded for taking part in an Online Road Rage as a Chaser on the Red Team.

Eregion Reforged Build all the Forge Towers in Udun.

No Return Complete 'Ring of Steel' on Veteran difficulty. (Solo only)

Joey Found all hidden Joeys

Ye Who Enter Open the gates to Vaulthalla.

First Bronze Earn a bronze medal in a vehicle challenge

Collector Buy 8 hydro jets

Alone Time Endurance Co-op Challenge: Spend at least one day more than 60 meters apart

Trick Arrow Skills Shoot a Lizard with a Special Arrow

Giant Crown Collector Obtain a gold crown for 10 or more monsters that appear from low or high rank.

No More Strangers You've met all the random characters.

It's Him! Patsy 5 military personnel.

Aided the Quen Helped the Quen of Fleet's End recover priceless knowledge and rescue those held captive.

No Gods, No Masters Completed No Gods, No Masters.

Every player succeeds in every Party Game Awarded upon completing a Party in which every player successfully completes every Game of every Round.

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

...Where Credit is Due Watch the credits from beginning to end.
"Hey...aren't they the guys who made Dead Head Fred?"

What Mad Universe Attain ‘Ambassador’ status in Alien Colonist Encounters

Master Builder Craft an item from Tier 4 materials in all non-masterwork slots in single-player mode.

Bartender Mix a drink

Up, over, under, onwards String together the following: jump, coil (over obstacle), slide (under obstacle)

Well Balanced Breakfast Simultaneously had bonuses for meat, carbohydrates, sugary drink, caffeine, and alcohol.

"Teamwork" Endurance Co-op Challenge: Collect an Artifact while your partner is down

Single Perfect Without forming a Dual Fighter, get a Perfect Bonus on a certain Challenging Stage!

FROSTY!!! Captain Cold must defeat Flash with the final hit coming from Cryogenic Blast

Ultimate Adventurer Tracked down all trophies

Treatment Plant Complete Complete the treatment plant.

Hey, Queenie! Feast on this! Defeat Queen Leech.