BigZeus13

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

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

Knack Beginner Completed all chapters on Normal difficulty or higher

Builder Complete One Relay Station Upgrade Quest (Valley Of The Yetis, Single Player Only).

Henderson Town Reach Henderson

The Cinema Clear out the cinema

Your Own Medicine Kill 10 Isu Soldiers with the Blessing of Kronos enhancement.

Sprinter Complete the main story within 8 hours.

Siege Hammer Install a total of 5 barricades during hub defense

One More Time Complete a New Game+ playthrough

Tranquility Lane Completed "Tranquility Lane"

Eel Avoid eel bites

Impossible Trinity You completed the mission "Museum Piece".

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

Strike! Kill 5 enemies with a single grenade.

Autofire Kill 30 enemies with the Pulse Rifle.

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

Front Toward Enemy Survive the Shooting Gallery.

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

The Collector Completed a crazy request for Tannis

Cortex's Terrifying Trial Earn the Key in Jaws of Darkness.

Deadly Specialist Get a Specialist-based medal that requires 3 or more rapid kills while using any Specialist Weapon.

Cut Your Teeth You were successfully promoted up a rank in multiplayer.

Perfect Storm Collect the Storm Hollow

Magic fowls Sing to the magic fowls

A Rock and a Hard Place Outmaneuver the rampaging beast, El Gigante.

Payback Complete "Mind the Gap", "Goalpost", and "Return to Sender" on Veteran difficulty.

Bully Kill 100 monsters with a kick

Spiritual Hunter Kill A Yeti (Valley Of The Yetis, Single Player Only).

At Your Service Rescue 20 NPCs that have been grabbed by monsters

Military Base Gain access to a long-range radio station

King among Kings Kill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater.

Walk Free You successfully lost a 4 star wanted rating.

Real Deadeye Earn an S rank in all games at the shooting range.

Secure the Ballistics Rescue the president's daughter, Ashley. Afterwards, the real fun begins.

Where Did Everyone Go? Cleared Chapter 4.

All That Glitters Defeat Avarice

...Becomes the Master Place in the top 3 on the Gauntlet scoreboard

Understanding Madness Complete Demon Within on Hardened, Veteran, or Realistic.

Scientific Pursuits Completed "Scientific Pursuits"

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

The Life Exotic Obtain and equip a piece of Exotic gear.

Combat on the roof Survive the horde on the roof

Proficient Agent Complete the main story on Hardcore mode or higher.

Mementos Find all of the mementos

The Waters of Life Completed "The Waters of Life"

Childhood Memories from the past

Enhance! Upgrade an Enhancement

School of Hard Knocks Request Stiles to toss you grenades 15 times.

Master of the Awakened Kill 5 Yetis (Valley Of The Yetis, Single Player Only).