Gangzstarr

That Party was Ace Ace every Adventure level in The Journey Home.

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

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

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

Sack the Postman Post all 6 invitations for the party.

Muppet Mastery Complete The Muppet pack's story

Gun-kata Use pistols to kill four enemies in a row within five seconds

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

Big Top! Achieve a score of 2500 or higher in "Gonzo's Endless Cannon Run Ride!"

In A World Without Gold Witness the end of a legend (complete Sequence 8, Memory 1)

The Stick of Truth Equip a Legendary Bo (Claws of Awaji)

Collector Extraordinaire Collect 100% of the Prize Bubbles in The Journey Home.

Captain Pig-ard Achieve a score of 4000 or higher in "Pigs In Elevators (In Space)!"

Perfect Predator Get a perfect harpoon shot on a Great White Shark

Let Me Explain After a perfect parry, perform a total of four takedowns

Ran Escape Sumoto Castle (Claws of Awaji)

Queen Firefly Kill 15 enemies with Marlene's assault rifle in one encounter in No Return
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Diploma In Creation Complete all the tutorials in the LittleBigPlanet™2: Move Pack

Skill Swap Train Kinu and Kane

This Make You All Nostalgic? Complete the Part I challenge track in No Return

Biology Lesson Kill a Bloater with the pump shotgun as Bill in No Return

Unsinkable Survive a rogue wave taken from the side

I Would Do It All Over Again Complete the story in chronological order

King of the Castle Capture all forts

Hunters Hunted Defeat all three of Yukari's taisho (Claws of Awaji)

Hunter Hunted Defeat a Pirate Hunter while at maximum Wanted Level

Unity Return the Regalia to the Emperor (Claws of Awaji)

All Clear Complete 5 Corrupted Castles

Seven Deadly Seas Find all treasure chests in underwater shipwrecks

Boat Rocked Defeat the Old Ashigaru (Claws of Awaji)

One, Two, Sweep Eliminate an enemy after using all three postures of the Bo in a single combat (Claws of Awaji)

Beakers We Can Complete "Muppet Labs!" using no more than 40 Beakers

Friend To All Interact with all seven friendly animals

Grandmaster Win at each of the different tavern games

Edward Catway Break 50 potted plants

Last To Leave Take a seat on a burning ship

Breathtaking! Complete all Landscape Sumi-e in Awaji (Claws of Awaji)

Clawless Eliminate all targets in Awaji (Claws of Awaji)

What A Bounder! Perform 10 Wall Jumps without touching the ground.

Standing Ovation! Ace all 5 Muppet Story Levels

Stick It To The Man Destroy the boss in Just Desserts

Path To Success Use the Motion Recorder to record your movements

Locksmith Unlock all the LittleBigPlanet™2: Move Pack minigames

Assassin's Focus Eliminate 7 enemies through one single use of Windstep (Claws of Awaji)

League Of Friends Play any level in the DC Comics™ Premium Level Pack with one or more friends.

Astrophysicist Complete all the Cross-Controller Pack Tutorials

Zero Waste Restore a map from map pieces

Overdesign IV Kick a berserk enemy caught in smoke off a ship

On A Roll Complete Fast Food without losing a ball