Zoderz

For Whom the Shell Tolls Destroy all targets during the mortar sequence with only 4 shells in "Back on the Grid."

This Circus Is A Disaster! Unlocked when the player goes through the circus tent toward the attractions.

Knockout Artist Kill three enemies with one attack using the Blitzer.

Pacta Sunt Servanda Finish the "Hearts of Stone" expansion.

Jack-pot Destroy 21 slot machines.

Strike! Kill 5 enemies with a single grenade.

To The Heroes Among Us Unlocked when the player finds the hidden Extra Life 2012 Logo.

Expert Sniper Get 50 headshot kills in Campaign Mode

Instrument of Change Witnessed the dawn of a new crystal legend.

Wish Upon a Star Destroy all 18 of the Score stars found throughout "Lost in Nightmares."

Look Both Ways Kill all the KVA in the traffic section without damaging a civilian vehicle in "Traffic."

Easy Rhino In Dead Ops Arcade, use a Speed Boost to blast through 20 or more enemies at one time.

Excessive Force - Kill a lone Helghast with the WASP secondary fire Used the secondary fire function of the WASP launcher to kill a single Helghast

Truffle Slider Earned a gold medal in the Rift Plane Sliding Race.

Family Jewels Retrieve your stolen goods

Buckshot Kill 2+ enemies with one Rossmore blast

Life Support Revive a teammate with one second left on their timer. (2P +)

Home Sweet Home Occupy The Relay Station (Valley Of The Yetis).

Knight's Honor Acquire all rare weapons.

Special Forces Cleared every mission and challenge mission in the Special Forces Pack.

What Goes Up... Destroy all the choppers with only the UGV's grenade launcher in "Persona Non Grata."

The Best of the Best Complete the campaign on Hardened or Veteran difficulty.

Taste of your own Medicine TK Impale a live Slasher to a surface using a Slasher's arm - it must stick to the surface

Riddle Me That Lock up the Riddler in GCPD.

Prayer of a Maiden Acquire all miracles.

Burn Baby Burn Destroy 80 Fuel containers.

It Came from Below! Kill 6 enemies with the knife while underwater in "Legends Never Die".

(5+5)x Get a multiplier of 10x

Pulsian Pioneer Took over 10,000 steps on the lowerworld surface.

Kill Box Kill 20 enemies with the Chopper Gunner in a single run in "Return to Sender."

Hoarder Filled the shelves in The Case.

Reign of Terror Kill Diablo in Hardcore mode.

Friends and Foes Complete Rise and Fall on Hardened, Veteran, or Realistic.

Genius Restored 15 Projectors.

Maximum Overdrive Kill 50 enemies while using Overdrive.

Superspy Cleared every mission and challenge mission in the Spy Pack.

Transcendence Collect all unique glowing symbols across one or more journeys.

With extreme prejudice Get to the POW compound in the Hind using only rockets.

Fury lover Reach x14 with the Sensen Fury

Party Crasher Kill 20 enemies with the Grappling Hook in "Sentinel."

Night Survivor Defend The Relay Station And Survive The First Night (Valley Of The Yetis).

Picking favorites Upgrade 1 Weapon completely

Silverback In Black Hack the Data Vault and brace yourself for Cyber's Avengening in Dead Ops Arcade 2.

Defragmentation Collected all the Memory Fragments.

Pit Stop Repair a burst tire at a Bodyshop

Knightfall Initiate Knightfall Protocol.

Hard Hitter Complete the campaign on Hardened difficulty.

The Handler Complete level 'The Handler'

Cheap Shots Kill 25 enemies firing the Auger through an object

May His Death Satisfy You Kill Malthael in Hardcore mode.