Tompatapom

Alchemist Directly hit an opponent with a thrown Beaker Power-Up.

That is a rare gift. Reach the top of Amon Hen without being caught once by Boromir. (Single Player Only)

Eat DiRT Earn 50 'CHECKMATE!' Medals

Wulfrun's Bane Defeat the Sorceror Wulfrun.

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

Eddie Is Back Complete Eddie's Challenge

Meeting Resistance Weaken the Atlantic wall and rendezvous with Blue Viper.

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)

EXTRA: Brave Story Find the Brave Story at minute 18 in Space 54.

Teamwork Endurance Co-op Challenge: Warm up from freezing by standing next to a campfire lit by your partner

You're one of the family Complete a total of 30 Main Events in a Custom Track created by other players

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

Following in the footsteps Win a 450 Championship with R. Dungey in Official Mode

Impossible Mission Succeeded at 3 dialog conversation checks with a single disguise.

One does not simply... Walk into Mordor.

Dockyard Discord Finish the Connection level in "Joe's Adventures."

I just love them! Win all the creatures

Wash my hands of this mess Bounty Filthy Hands Floyd

Friend to the Ring-bearer Speak with Frodo in Rivendell.

Standing Ovation Win a total of 50 Main Events in any game mode

Faster Than Light Achieve a 10x point multiplayer in "Jimmy's Vendetta".

Saver Accumulate at least 100,000 lucre.

Benevodons' Return Complete Chapter 5.

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

Adventure's End Complete Chapter 6.

Tireless Race a total of 150 miles (241 km) with any bike

Splinter Ray Go through "Mansion of the Deep" without crossing any light from a Dark Sentry or touching any laser

Don't tell the Elf... Throw Gimli 30 times.

Ultimate Knack Received all trophies

To Bee Or Not To Bee Finish the tutorial

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

Dweller of Woe Defeat the Dweller of Woe

You're THE Driver, baby Win all trophies..

Scratch me! Win and scratch all the lucky tickets

It won't be that easy! During 'Prologue', jump into the fires of Mount Doom as Isildur.

EXTRA: Space Dude Survive 20 minutes in Space 54.

Like lightning Use the Boost for a total of 30 minutes.

Until the last breath Pass a Last Chance Qualifier session in any game mode

Ten little Holeshots Get a total of 10 Holeshots in any game mode

Whole world in his hands Bring balance to both realms

Get Away from Her! Endurance Co-op Challenge: Kill an enemy melee attacking your partner

Speedster Defeat the World of Chaos in the End of the World within 15 hours.

Platinum Congratulations!

Stage 15 Perfect Get a Perfect Bonus on the Stage 15 Challenging Stage!

Professor Collect all Character entries in Jiminy's Journal.

No One Left Behind Endurance Co-op Challenge: Revive a player 3 times in a single expedition

EXTRA: Darkasso Be embraced by the Darkasso.

Pointy-eared Elvish princeling. Defeat 42 Uruk-hai as Legolas.

The Lord of the Ring. Complete the Bonus Level.

Here Kitty Kitty Scare the cat hiding from a party