TheCrAzIeS

Going Up… In The Darkest Shore, unlock the Ubersprengen.

Without a Trace Barrel through the lava, don't let anything stop you

Rough Rider Destroy 15 vehicles during a single challenge

Match Master Win 50 Matches

Mighty Wander Max out stamina bar

Risky Offer Accept an Amateur fight against a high level Wrestler.

Clean Sweep Complete the System Rift Jensen Story without killing anyone.

Become a Superhero Complete "Hero Training - Stage 2"

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

It's a Trap! In Shi No Numa, kill at least one zombie with three different traps in a single round.

Let it Snow Receive the Extreme Environment Suit (XE Suit)

As A Scalpel Earn the "Excellent" rating in every performance category on a terror mission.

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

Not One Inch In Gorod Krovi, complete a Lockdown Event.

Murder He Wrote Find all pieces of evidence behind the Saridakis murder.

Upping the Ante Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.

Highland Coo! Play bagpipes to a brown bull

A Just Cause Decide what to do with the Altered Biocell.

Launch the Rocket Complete all the Main Quests in Stonewood

A Cornered Rat... Defeat 100 monsters in Skeleton Form

The circle is now complete Get to Rank 100

Drilling for Justice Assemble the cryonucleation tunneller - the cryodrill

Knock Knock Get Slaw to open the security door within the Palisade Blade.

Worst Nightmare Master the Worst Nightmare Dark Knight track

Relics of the Old Faith Collect all Relics.

Too Hot to Handle Complete the server chamber area without being detected by any HeatEye cameras or enemies.

Hat Trick Kill 3 aliens with a single shot from the NX-1 Disruptor in Regular or Hardcore difficulty.

See You In My Dreams! Visualization is a crucial skill, so try watching 50 replays! I watched so many, I started seeing Master Zangief in my dreams!

Half Dry Frobisher Says: "Figure it out from the title!"

Mass Exodus Complete the final Ancestor encounter in Regular or Hardcore difficulty.

Safety Net As a Fireteam member, free a teammate from a Predator's net

Cornucopia Acquired all fruits in the world

Legend of Wei Completed the story of Wei.

When in Doubt... Set the fastest time on a stage with high surface degradation

Stalact-tactician Takedown 2 enemies with one stalactite

Subjügator Won 10 match-made multiplayer battles.

For Auld Lang Syne Stop Freeze and bring Boyle to justice

Dog Fight Kill a Gargoyle with the Vanguard in Awakening in Regular or Hardcore difficulty.

Marksman Novice Kill 10 players with an assault rifle and/or a sniper rifle from over 100 meters away.

Don't Reach, Kid Find the basketball and put it in the hoop.

Pruning As a Fireteam member, shoot down 100 Tree cover branches
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A Criminal Past Complete A Criminal Past.

Vacation Time Visit Happy Clam Resort

Legendary legend! Reach the LEGEND rank in 6 different fields of expertise

Eggstra Nemesis! Complete the Egg-Stra XP challenge and then activate a generator in the Nemesis DLC package.

Turning the Lights Out Complete the game using object highlighting five times or less.

Rank - MASTER BUILDER!!! Collect 100 Gold Bricks

Artful Master Reach 10x points multiplier.

Legen-Dairy Earn the "Legend" Challenge Collection.
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Walk the Plank! Complete "Plankerton Storm Shield Defense 1"