HalStep

Full Strength Duke and Damir stay with the crew, Alyosha doesn't get wounded.

Sandbox() Clear one of each Test.

Vampire Mastered Acquire 11 vampire perks

Skip Trace Completed all Bounty Hunting assignments

Double Eleven Play the game at 11:11

Arms Dealer Buy all items from the Survival Weapon Armory.

Out of His Mind Read Ray's mind

The Triple Lindy Complete 3 different high dives in the Foundry

CQC FTW Finish the game using only your knife (no lighter, Defensive Items, and stomping zombie heads).

Years Ago, Another Time Heard Meagan Foster’s story

Carmaheddon Kill 50 enemies with the Bukhanka.

Hot Potato Light 20 enemies on fire

ALIEN AUTOPSY Captured 100 live aliens

Perfect Action Completed a stage without taking any damage on Hard difficulty or above

Process() Inspect all completed Limiter Files.

Consciousness is Over-rated Knock out 100 enemies in a single playthrough.

User() Unlock every Upgrade Slot and Passive Slot.

Amethyst Medal Defeated the Giant Orb using Dark Knack

Don't Stop Running Finish the game in three hours.

You've Got The Power Collect All Energy Upgrades

Animals of the Land Interact with a Dove, Hawk, Fish and Turtle

Blade of Death Killed 20 enemies using Throwing Knives

Amateur Bouncer Protected Sammy's from the Dixie Mafia

Lancer Killer Kill a Lancer Big Daddy

Jack of All Trades Acquire every perk.

DLC: Zombies: Killer BeeZ Destroy all the Zom-bee nests in Laboratory of the Dead.

Barrel Roll a Toy Car in the Airfield Awarded for successfully landing a Barrel Roll in the Airfield driving any of the Toy Cars

Architect Share a Blueprint with your Co-Op partner.

Still Tastes Good Endurance Challenge: Eat the meat of 5 wolves that were killed with poison damage

Stay of Execution Stop the Grand Guard from pushing someone into the Wall of Light

Rough Justice Stop Penguin's escape from GCPD.

T-Bone: Friends in Need Complete Act 1

Nature Retreat Endurance Challenge: Survive for 7 days

Sunstone Medal Defeated Katrina's Mech using Sunstone Knack

She Must have a Reason Stand up for someone even though you haven't met her

Speed() Complete each Speed Test.

Backstabber Kill 20 enemies with melée while they are idle

Cuts Like A Knife Collect All Kunai Upgrades

Class-A Ninja Complete game on Normal difficulty

Goodbye() Recurse through the story.

Ink is for Squids Finish the game without saving.

PROXY Won't Be Happy Destroy 35 droids

Risk() Complete five encounters with all 10 Limiters in use.

Conga Line! Get chased by 5 enemies at the same time

One() Achieve User Level 24

Timber! Singleplayer: In Rescue the Rescuers, chop down 5 trees with the Minigun

Sphinx' Riddle Complete all 40 of the Catwoman Riddler grid items

Complete your first Timed Challenge Awarded when you complete your 1st Timed Challenge.

Explosives Expert Get 150 kills with the Carbine 40mm, LAARK, or frag grenade in the single player Campaign.

Blade Runner - 75 kills with the knife Kill 75 Helghast using the knife