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On a Diet Finish a level without eating any food.

Get the Bozak Complete Bozak's challenges

Be Prepared Activate 5 Buffs at once.

After The Dust Has Settled Clear Arcade mode on Medium difficulty or higher.

Wacker Packer! Upgrade any weapon in Pack A Punch. (Map Pack 3 only)

Alternative solution Get 20 kills with secondary fire using the Bryar Pistol or Heavy Repeater

The Captain's Special Kill 12000 Monsters with Valkyrie Weapon Abilities

Flamewalker Kill 8000 Monsters with Fire Spells

No More Mutants As Scarlet Witch, take down Mutant enemies 10 times.

STARE INTO THE ABYSS Unlock THE ABYSS

Eenie Meenie Miney Mo Successfully trap a counselor 13 times.

Greater hydralisk down Complete Act 2

Level Master Sora Max out Sora's level.

What will you become? Get 20 kills with the A180 and the Sonic Imploder

Frostweaver Kill 8000 Monsters while they are Frozen or Chilled

Sworded Out Eliminate SCIMITAR.

Hammer Time Repair 200 window boards in a single game. (Map Pack 2 only)

Stercus Accidit Fail the Prologue

Kiss the Cook Roast 10 enemies with the Napalm Cannon.

Weapon of Minor Destruction Kill no more than one zombie with a nuke. (Map Pack 2 only)

Triple Whammy Disable three switches in quick succession.

Success Complete all U.S.S. missions with an S Rank.

Carry Out Your Beliefs Won 5 times in one style on PlayStation®Network.

Do we take prisoners? Stun 20 enemies with the Shock Grenade (Multiplayer)

That's gotta hurt! Perform 10 special attacks

Kidd Thunder Raiden must summon Kidd Thunder during a match

Dream Team Defeat an arena with at least 2 players

Awakened to Violence Reached E4 rank in ranked match.

Luck Be A Lady Get all MK Dragons in Test Your Luck

Bloodlust Perform 50 finishers

We need to go Deeper - Gold Survive from floor 1 to floor 50 in Endless Mode

Minuto de Silencio Mourn the loss of the Alebrije while playing as X’Tabay.

Big Bertha Kill 3 enemy at once with ozutsu

Victory! Finish the game.

Party's Over In Most Wanted, perform 5 takedowns on guards in the gala without being spotted

Helipocalypse Destroy 6 helicopters in the "Kill Switch" Special Ops mission.

It Pays to be a Winner Reach level 10 with PYTHON.

Adventurer Download and rate 25 usermaps

"Ahhh, those tiny claws!" As Squirrel Girl, land 3 KOs with a single use of Unbeatable Squirrel Tsunami.

Way of the Butterfly As Psylocke, contest the mission area for 60 seconds in a single match.

Brave Challengers Complete all 7 Link Portal bonus objectives.

Back to the Deadlands Defeat the Dark Ones

Terminated Kill an android.

Knockin' Boost Drive over 100 boost pads

I’ll take that bet Get 20 kills with the X-8 Night Sniper and the EE-4. (Multiplayer)

Bad Blood Analyze all five blood samples for infection

Waypoint Fulfilled all pacts for Judgment.

Survived Nightfall Kill the Breeder for the first time in Nightfall in Regular or Hardcore difficulty.

Mr Know-It-All Watch all the tutorials.

What Goes Around Use a Karma Power.