HalStep

Having a Gas Kill 1,000 "special" zombies

Heroic Survivor Complete all missions on Elite difficulty level

RC Assassin Get 5 kills in a round with the RAWR

Untouchable Complete a mission in single player without getting hit.

Finally Full Eat all types of food in the game

The Might of the Monkey! Use the Monkey Bomb. (Map Pack 3 only)

Fingers off Triggers Obliteration - From the bunker reach the extraction point without firing a shot

Magnificent Thirteen Unlock all classes (ranked only).

Ghost Town Obliteration - Kill everyone

Red Barrels Explode all the red barrels on the rooftop while in a helicopter

Environmentalist In the Rock Quarry map, kill an enemy using a Mine Cart, Oven, Fan, Smasher and Lava Cart in one wave

Secrets of the Batcave Complete the Batcave AR Challenge unharmed as Batman and Nightwing, using only Beat Downs.

Fallen Savior Inflicted Royal Retribution 10 times.

Death From Afar Use every type of ranged weapon on a zombie

Big Spender Spend $6,000,000 in Fortune City

Baby steps Attain a Time Trial star rating of 20

Locksmith! Open all doors in the map. (Map Pack 3 only)

Fire Sale Breach: Destroy 2 enemies at once using a Red Unstable Cube.

Jack of All Trades Play a full game with each class (ranked only).

Explosive Temper Use every type of explosive on a zombie

The Nightmare Ends Completed EPISODE ARDYN on Normal.

Never Stop Looking You escaped Rifleman Bank Station. Nothing will stop you from finding Megan now.

Supercharger Awakened: Finish charging the reactor in under 90 seconds.

Clean sweep Find all collectables

Blind Bomber In a round get 5 kills with air vehicles in Gulf of Oman

Eternal Complete the Endless Knight AR Challenge, taking out 50 Enemies as Batman.

Risky Business Kill an enemy flag carrier while carrying their flag in CTF

Come Courting Attended an audience with the duke.

North River Expressway Dominate the North River Expressway event

Dodge master Dodge all of the Blind One's throwing attacks in THE TWO COLONELS Chapter.

Holocron Hunter Find all the holocrons in Endor.

Jedi Knight Complete Jedi Temple - Sith Lord difficulty

All Inclusive Inception - Complete all the challenges

Window Shopper Enter all the stores in the game

Life Saver Collect all combo cards from survivors

Dogged Rider Earned the top ranking on all three Time Trial courses.

Sharpshooter Destruction On chapter IV, playing as Thomas, kill sharpshooters in 10 seconds.

Access all areas Unlock all Time Trial stretches

Mayhem 101 Purchase a skill.

Don't Tread on Me Complete the "Iron Clad" Special Ops mission on any difficulty.

Bounty Hunter Have a total of at least 125,000 points in Echoes Mode's total high score

More Followers than Escobar Operation Narco Road: Fill the Followers Gauge of all regions to 100%

Barber Kill an enemy by thumping them into a helicopter in the Mini City map

Stay Frosty Complete the "Arctic Recon" Special Ops mission on any difficulty.

Revenge Revisited Complete Story Mode on hard difficulty.

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

Pt Achieve a Platinum Medal in all Events.

Show Off! Perform a 250m Drift or Jump (Story/Online)

I Love Science Obliteration - Extract Wernicke, Hänel, and Kehrer in one playthrough

Halfway There Get at least 45 stars in Echoes Mode