Space-Walk

Project Arena Unlock a new arena pack.

Wonderful In Revelations, kill 10 enemies in one shot with each wonder weapon.

Climbing the Corporate Ladder Survive until round 25 in Infection.

Epic victory - Chapter XIV Finish the levels from Chapter XIV in Paladin difficulty

Smooth Operator Defeat Oz in Descent.

Heretic Finish Mirrored Chapter I.

This Isn't About Escape Locate the Escape Pod

Nah, I'm Good. Reach round 7 without anyone opening a door in Descent.

Mark of the Assassin Defeated Duke Prosper, with or without Tallis. ("Mark of the Assassin" downloadable content)

The Story Ends Complete Campaign Mode on Normal difficulty

Weird Flex but OK As Daniel, use Creature Cards that cost 4 or more Bio Energy units 4 consecutive times.

B.O.T. Find the Good in the Prototype

When the Explosion is Just Right As Alex, use Yateveo's Self Destruct to defeat 1 Survivor during a match.

We've Only Just Begun In The Tortured Path, successfully escape from Into the Storm.

Minesweeper As Alex, use traps to defeat Survivors 4 times in a single match.

Viktorious Revenge In Gorod Krovi, complete all solo Trials in one Zombies game.

Small Consolation In Shangri-La, use the 31-79 JGb215 on each type of zombie.

Blackjack Subtle Evaded vault security in Chateau Haine. ("Mark of the Assassin" downloadable content)

Sargasso Complete the Act 3

Time's Up, Let's Do This! As Spencer, run out the clock and win a match while your Disintegration Field is active.

Putting On The Ritz End a round as Criminal Expert in a Fragile Alliance Ranked Match.

Up Close and Personal Kill one of each enemy type with a melee attack

Together We Fly Won a Team Death Match.

One Punch Defeat Survivors using the Tyrant's Bull Rush 2 times in a single match.

Desecration Destroyed all graves in "Frontier Crypt"

Powerbuff Girl As Annette, have a creature with 3 buffs survive for 1 minute.

Web of Defeat In Zetsubou No Shima, remove webs in every possible way in one game.

Collector Collect all Marks of the Gods (Single Player only)

Das ist gut In The Shadowed Throne, find the Ubersprengen.

Time Attack In Gorod Krovi, complete Time Attack: Round 20.

Abandon All Hope Rescue 4 survivors in a single game of Infection.

Hugs! Kill 20 enemies in a single burst of Explosive Touch in Carrier.

Overachiever In Origins, complete all 4 Challenges in one game.

Definition of courage Complete the game on Extreme difficulty

Right of First Defusal Defuse 5 gas bombs in a single match in Carrier.

Take Off, Hoser! Ride Chompy for 5 minutes in a single match in Carrier.

The Ultimate Race Win 1 Quick Race in the AcceleDrome (not unlockable in Online and Split Screen modes).
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Chasing the Game Lured and killed an alpha wyvern near Chateau Haine. ("Mark of the Assassin" downloadable content)

Pescadero Complete the Act 4

All Clear: Shiva Clear all stages in single-player mode as Shiva.

Telefragathon Telefrag 50 enemies in a single match in Carrier.

Memory's Melody Collect and listen to all records from the Forgotten Time.

Essay Write 5 Bestiary entries

For The Good Of All In Revelations, the Key must be opened.

Blood-Spattered Savior Rescue a total of 20 survivors in Infection.

Outcast Finish Mirrored Chapter II.

Zombiepult In Gorod Krovi, launch 10 zombies into the air at the same time.

Grim Reaper Defeated the Harvester on Hard or Nightmare difficulty ("The Golems of Amgarrak" downloadable content)

In Synch Kill two enemies with simultaneous quick draws while in co-op mock surrender

All Clear: Estel Clear all stages in single-player mode as Estel.