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Master Spelunker Complete All Ridden Hives.

Elitist GTA Online: Complete all 3 Elite Challenges in The Doomsday Heist.

Memory Memorize a Sigil

SOG Rules Retrieve the dossier and the defector from Hue City.

Enduring Resolve Listen to the Legend's last recording.

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

Tracker of Dark Secrets Decrypt all clues hidden inside the cipher machines and claim the rewards.

The Shadow Out of Time Craft an Item Using Eldarium

The Temple Visit a Leyshrine

The Dragon Within Kill 10 NVA with Dragon's Breath rounds.

In the Vault Explore a Vault

The Haunter of the Dark Reach the Tower

Unholy Grail Find the Secret in The Cut.

Raining Pain Rack up a body count of 20 NVA using air support in Hue City.

Act 6 Recruit Complete all Act 6 maps on Recruit difficulty or higher.

Wardrobe Change In Revelations, wear three different hats.

The Silver Key Obtain ?????

Tools of the Trade Craft the Virus Filter and Flare Gun in Survival mode.

None Left Standing In Der Eisendrache, kill every type of zombie using a minigun.

The Other Gods Draw Forth the Most Powerful Surge

Sally Likes Blood Demonstrate killer economic sensibilities by taking down 3 enemies with a single bullet.

Beyond the Wall of Sleep Enter the Maelstrom

The Outsider Defeat a Surge Summons

This Is Fine Set an enemy on fire with the Flamethrower, while also being on fire.

Broken English Escape Kowloon.

The Gem in the Tower Explore the Isle of Siptah

Some wounds never heal Escape the Past.

Cryogenic Slumber Party In Moon, complete Richtofen's Grand Scheme.

True Combat Gear Collector Collect all weapons and Legion Arms in the Forgotten Time.

To Be Human Learn all gestures from the Forgotten Time.

Left Fork Dead End Find the Secret in Act 5.

Mo Ichido Complete Atsu’s Hunt in New Game+.

Vehicular Slaughter Destroy all enemies on vehicles during the prison break.

Never get off the boat Find the Soviet connection in Laos.

Iron Breakers Complete the full Operation Iron Horse raid in a group of eight players.

Masterminds GTA Online: Complete all 3 Criminal Mastermind challenges in The Doomsday Heist.

Born Survivor Successfully survive and escape in Survival Mode.

Up close and personal Silently take out 3 VC.

Wonderful In Revelations, kill 10 enemies in one shot with each wonder weapon.

Objectively Good Capture an objective, build both fortifications and unlock both perks

Slingshot Kid Destroy all slingshot targets in 3 attempts.

Clarity Crack the code.

Small Consolation In Shangri-La, use the 31-79 JGb215 on each type of zombie.

Tough Economy Use no more than 6 TOW guided missiles to destroy the tanks in the defense of Khe Sanh.

Stand Down Complete the campaign on any difficulty.

The Collector Buy every weapon off the walls in a single Zombies game.

Cold Warrior Complete "Operation 40," "Vorkuta," and "Executive Order" on Veteran difficulty.

Time Attack In Gorod Krovi, complete Time Attack: Round 20.

Subzero Hero Obtain clothing to get a survivable temperature rating of -22°C / -7°F.

Memory's Melody Collect and listen to all records from the Forgotten Time.