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Heart Of Iron Achieve Rank 15.

Overachiever In Origins, complete all 4 Challenges in one game.

A God Falls Kill an Avatar

The Highest Office In Classified, reach round 20 without using an elevator

Zombie Fanatic In Blackout, unlock Bruno, Scarlett, Diego, Shaw, Dempsey, Takeo, Nikolai and Richtofen

Now Am I Become Death Kill 3 enemies in a single turn, with a single soldier, without explosives

Prestigious Award Attain max level or Prestige with 25 different weapons in Zombies

For The Good Of All In Revelations, the Key must be opened.

Zombiepult In Gorod Krovi, launch 10 zombies into the air at the same time.

Snowball Dodge Dodge 3 snowballs in a round

Blackout Historian In Blackout, unlock Reznov, Mason, Woods and Menendez

A Better Human Being Recover the Forge Item

Preemptive Strike In Classified, kill 50 Nova 6 Crawlers without letting them explode in a single game

This Damn Island In The Darkest Shore, explore the entire island.

Little Lost Girl In Origins, release Samantha.

Crawl for Help In Classified, while in last stand use a teleporter and then get revived in a single game

10 Iceberg Glacier Combine 10 Iceberg and Glacier gems

A Better Tomorrow In Revelations,complete the cycle.

Ground Control In Moon, prevent each excavator from breaching the base in one game.

Senseless Axe of Violence In Blood of the Dead, kill 5 zombies with the Hell's Redeemer before it starts its return

A Dark Doorway Recover the Psi Gate

Pent-up-agon In Classified, complete 5 consecutive rounds without leaving the war room elevator in a single game

Pump It Up In Rave in the Redwoods, Pack-a-Punch a weapon.

5 Double Glacier Combine 5 Double Glacier gems

Meat Over Metal Kill a Sectopod on the same turn you encounter it (in Single Player)

The Most Dangerous Game Play in a multiplayer match

Love And War In Gorod Krovi, the one must be freed.

Soul Reaper Win 10 Team Deathmatch quickplay matches.

'Til KO Do Us Part Play 3 games in the Ranked 2v2 matchmaking queue.

Natural Order Complete any special operation on Easy difficulty.

Ride For Your Life In Rave in the Redwoods, ride every zipline.

On the Clock In Dead of the Night, stay within the clock circle until the time runs out

A Line Crossed Complete the Avatar Autopsy

Going Everywhere Fast In Classified, use a teleporter 7 times in less than a minute in a single game

Breaking the Ice In Classified, shatter 115 zombies in a single game

Shock Value In Classified, kill 115 zombies with electric traps in a single game

Black Winds to Darker Lands In The Darkest Shore, retrieve Barbarossa's pommel.

Sea Sick In The Tortured Path, successfully escape from Across the Depths.

Quick Thinking In Dead of the Night, unlock the Forest by round 7

Go Gnome! Destroy 100 Garden Gnomes in successful missions

The Floor Is Lava! Get 30 kills with claymores or mines in Co-op or Versus.

Keep Close In Revelations, assist a Keeper in defeating every type of enemy.

Time Travel Will Tell In Shangri-La, acquire the Focusing Stone.

Mechlord Hack a Sectopod

Step on the Gas In Classified, kill 50 zombies while affected by Nova 6 Crawler gas in a single game

A Final Stand Create the Commander's Avatar

The Fall of Icarus Destroy a Helicopter.

Superior Thulian Technology In The Frozen Dawn, unlock the Ancient Ubersprengen

Cold War Remedy In Classified, retrieve and equip the Project Skadi prototype

Death Ray In Revelations, kill 40 enemies with a single activation of a Corruption Turret.