Dirtend

The Polaroid Beat Cathedral 5 times

Downforce Completionist Gain all stars in 'Downforce'.

Solitary Met a strange person in a strange place

Lamborghini Completionist Gain all stars in 'Lamborghini'.

Dominion Master Win 20 Dominion PvP matches.

14 carats Gold challenger Get 58 Gold Medals on Alps Public Challenges

Midnight Completionist Gain all stars in 'Midnight'.

Saving Private Reiner Obliteration - Don't kill any members of the Reiner family

A Remarkable Accomplishment Complete Story Mode at Hard difficulty.

The Negative Beat Sheol 5 times

They See You Rollin' Earn 3,141 badges

Fertilizer Man Kill 200 zombies in a single game. (Map Pack 2 only)

Play Your Way Equip a different Effect, Emote and Execution on a single Hero.

Shinier than Gold Get 7 GOLD MEDALS in the Alps Invitational Challenges

Big Brawler Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

Full Marks Infiltration - Complete all the Challenges

Curly Wolf Finish the game on hard difficulty.

Horsepower Completionist Gain all stars in 'Horsepower'.

Anything Can Be A Weapon Throw an opponent into fire or spikes 50 times.

Isaac's Tears Kill Isaac with Isaac

No Roads Needed Got all four wheels in the air for more than 0.88 secs

Hooligan Get 100 % of the Breakables from all Missions in Story Mode.

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

VIP Received 12 Invitations

RPM Completionist Gain all stars in 'RPM'.

Elements Completionist Gain all stars in 'Elements'.

On the Clock Completed the training in Through the Eyes of Evil in under 18 seconds

Rock It! Escape the Workshop

Lore Master Get 100 % of the Observables from all Missions in Story Mode.

Bug Spray Earn the Distinguished Flying Service Cross

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Heavy Medals Earn All Medals

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Breach Apprentice Win your first Breach match.

A Reservist Manually deploy Troops in 5 different Campaigns.

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

The Chest Beat the Chest

Atomic Obliteration - Complete all the Challenges

Lamborghini Icons Completionist Gain all the stars in 'Lamborghini Icons'.

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Requesting Flyby Entered and exited the pit lane without losing a position (cannot be in last place)

Around and Around We Go Perform every level interaction once

Unite In Speed Completionist Gain all stars in 'Unite In Speed'.

Duel Master Win 20 Duel PvP matches.

All Star Get 100 Stars in S.T.A.R. Lab Mode

Pacesetter Completionist Gain all stars in 'Pacesetter'.

Swag Up Equip a Hero with Heroic Armor and Weapons in all Gear slots.

Dark Room Beat the Dark Room

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)