DerHerrUnterberg

Drop the Bass Eliminate both Morgan and Cross in a fall accident and both by dropping a coconut on their heads.

You're Hopeless Fail to save Wilty

Yeeee HAW! Complete the Adventure Mode on the Hard difficulty.

Fling Me to the Moon In Der Eisendrache, use every Wundersphere twice.

Bored Launch every app in the system.

One Night in Bangkok Reach Bangkok Mastery Level 20.

Skilled Adversary In IX have a Challenge banner with all 9 medallions

Complete Quests Complete a dozen Quests.

Complete My Secret 1 Complete the hidden puzzle in Sector 4

Come Back To Me Kill a Sectoid who is currently mind controlling a squadmate

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

Duet Play an instrument next to another player, who's playing a different instrument

Topped Off Attain maximum life and mana possible without accessories or buffs.

Arm Race As Winter Soldier, land 3 KOs with a single use of Kraken Impact.

Zoologist Scan all the creatures on AR-Y 26!

Chill Out Defeat 5 mobs with a single Ice Wand attack.

Greetings, Viewers Film yourself with the film camera.

Extinguisher In the Sewer map, kill 5 enemies in 1 wave by setting them on fire then extinguishing them

Dressed For The Weather Construct a cold suit.

Necessary Repairs Repair the bridge.

Party-pooper Sabotage the wedding.

Swimming with the Fishes In Voyage of Despair, kill 50 zombies that are underwater in a single game

Baranor the Conqueror Complete the Desolation of Mordor with a Gold Rating.

Yule Be Back! Played through Endless Christmas

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Beam Me Up Teleport over 100 meters from a single throw of an Ender Pearl.

A Horrible Night To Have a Curse Survive the nightmare

Backwards & Forwards Complete ALL levels in N. Verted mode

A Series of Unfortunate Events Eliminate Mendola with the crystal ball, Kong in an electrocution, and both by poisoning the pipe.

Elements Completionist Gain all stars in 'Elements'.

Horsepower Completionist Gain all stars in 'Horsepower'.

Wrapped Up Complete "Thermal"

Pandamonium Complete the Panda Plateau secret mission.

Duel Master Win 20 Duel PvP matches.

Hoarder Have a total of at least 250,000 points in Echoes Mode's total high score

Mission Complete Reach Colorado Mastery Level 20.

Long Board Ride the Hoverboard for a total of 10,000 meters (electro-mag cables don't count!)

Redecorate Home Redecorate entire Home.

Scholar Finish Chapter III.

I’ve seen some things… In Kino Der Toten, visit every location the teleporter can take you to.

Petrolhead Buy all of the Vehicles from the Garage

You have your moments Get 5000 Objective Score while playing as any Hero (Multiplayer)

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

The Time Eater Defeated the Time Eater.

Might of Fuxi As Iron Fist, land 3 KOs with a single use of Living Chi.

RPM Completionist Gain all stars in 'RPM'.

Relieved of Command Kill the general commanding the Moscow defenses

Victory in Bloom As Mantis, assist allies in achieving a team wipe.

Go for Gold! In Onslaught, acquire seven gold chalices

Seek & Destroy Get 2 Kills with a single remote controlled Throwing Knife from at least 50 meters away in Campaign