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Keep it Rolling Complete the Rolling Ball Puzzle in Mermalair.

The Road Home Destroy all of the militia APC's.

The Riddle Factory Obtain a key by completing the eighth Riddler trial.

Tough Skin Unlock the Tough Skin perk

Specialist Earn the Mastery for a weapon mod

Robot encyclopedia Destroy at least one type of every robot in the game while playing the campaign. Bosses don't count.

First Encounter Complete an Encounter.

IPXSETUP.EXE Win a Multiplayer match

Mapmatician Complete the village map.

Shoot it Until it Dies Defeat the Cyberdemon

Sock Concert Find half (40) of Patrick's Socks.

Thorough Shopper Complete all Challenges for a single mission.

Gravitational Anomaly Defeated 8 enemies with one special attack.

Pitching Machine Hurled 10 objects into enemies without missing or taking damage.

Better Than Money Purchase 5 items from the Black Market.

Compulsive Complete every Challenge

Quick turn Unlock the Quick turn perk

Hackification Invade and successfully hack 10 enemy Fixers in Online Hacking

Key to the Past Croft Manor: Acquire the Master Key

Wolfenstein Keep nightmare Complete the nightmare in chapter 3

Goooaaal! Move the ball from the Winterses' bedroom into the study.

Escape! nightmare Complete the nightmare in chapter 4

Don’t Go - Normal Finish Left Behind on Normal

Relic Hunter Croft Manor: Collect 50% of the Relics in Croft Manor

Lethal Pursuits Obtain a key by completing the ninth Riddler trial.

Annette saved Choose to save Annette

Here Kitty-Kitty Complete the Black Cat chase

Combat tested, Doomguy approved Reach Level 5 in Multiplayer

Meet the Crofts Croft Manor: Collect 50% of the Documents in Croft Manor

Traced Get tailed 5 times

Guten tag! Complete the nightmare boss level

Outnumbered? No Problem Defeat the Hell Guards

Ruins nightmare Complete the nightmare in chapter 6

Wulfburg nightmare Complete the nightmare in chapter 5

Endure and Survive Collect all comics

Kampfpistole ammo storage upgrade Unlock the Kampfpistole ammo storage upgrade perk

Burning Game Hunter Defeated the rare Nevi in Rift Planes: The Inferno.

True Commitment Reach level 60 in multiplayer.

Shopaholic Buy every upgrade and character in multiplayer.

Eagle Eye Unlock the Eagle Eye perk

Walls Are For Chumps Return to Dan's Crypt and smash down the secret wall.

High Fashion Unlocked 10 Customization Items.

Angel in the Dark Complete the trials and prove you are a worthy successor.

Scanproof Escape a level 5 police scan

Shareware Create and publish a SnapMap

I got this Find all training manuals

Bye Felicia Complete the "Follow the Money" mission

German Alps nightmare Complete the prologue nightmare

Mega Spatula Seeker Get 75 Golden Spatulas.

Docks nightmare Complete the nightmare in chapter 2