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Big View Visit the map

Big Pack Wear a backpack

Big Walk Cross the drawbridge

Priorities Find all skulls and terminals in Keyes.
100/100

Outpost Discoveries Find all skulls and terminals in Two Betrayals.
100/100

Timeless Tomes Find all skulls and terminals in The Library.
100/100

Making a Necklace Collect 22 Skulls.
100/100

Proto Gravemind Find all skulls and terminals in 343 Guilty Spark.
100/100

Stowed in Snow Find all skulls and terminals in Assault on the Control Room.
100/100

Buried Treasure Find all skulls and terminals in Silent Cartographer.
100/100

Plundered Find all skulls and terminals in Truth and Reconciliation.
100/100

Installation 04 Complete Halo.

Successful Search Find all skulls and terminals in Halo.
100/100

The Autumn Leaves Complete Pillar of Autumn.

Clean Sweep Find all skulls and terminals in Pillar of Autumn.
100/100

Cranial Collect a Skull.

Acid Drip In Mob of the Dead, convert a weapon using a kit.

Feed the Beast In Mob of the Dead, obtain Hell's Retriever.

Paranormal Progress In Mob of the Dead, open a door without spending points.

Welcome to the Penthouse Prestige once in multiplayer Public Match.

Big Saver Acquire the "Big Saver" badge.

Apprentice Crafter Craft a weapon or gear piece of 'superior' rarity or higher.

First Strike Complete the quest Becoming.

Happy Hour In TranZit, buy 2 different perks before turning on the power.

I Don't Think They Exist In TranZit, kill one of the denizens of the forest while it is latched onto you.

A safer place Sabotage the Soviet space program.

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

Unconventional Warfare Use the explosive bolts to kill 30 enemies in the campaign.

VIP Receive orders from Lancer.

Give me liberty, or give me death Escape Vorkuta.

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

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

The eagle has landers In Ascension, escape on all 3 lunar landers.

They are going THROUGH! In Ascension, kill at least 5 zombies with 1 Gersh Device.

Not a Gold Digger In Origins, share a weapon you dug up.

Time Travel Will Tell In Shangri-La, acquire the focusing stone.

Monkey See, Monkey Don't In Shangri-La, get something from the monkeys.

Sacrifice Ensure your squad escapes safely from Cuba.

Death to Dictators Take down Castro with a headshot.

Welcome to the Club Reach Sergeant (Level 10) in multiplayer Public Match.

Ready For Deployment Reach rank 10 in Combat Training.

Insert Coin Access the terminal and battle the forces of the Cosmic Silverback in Dead Ops Arcade.

Eaten by a Grue Play Zork on the terminal.

Just ask me nicely Break free from the torture chair.

Life Of The Party Revive a downed friend 20 times.

Up and at 'Em! Help 100 downed Operatives back up.
100/100

Circle of Trust IV Complete Path of Trust chapter 4.

Circle of Trust III Complete Path of Trust chapter 3.

Going Out With a Bang As the Psyker, kill 1 elite with a single Perils of the Warp on Malice Threat or higher.

Inquisitorial Veteran Complete at least one of each Mission type on Uprising Threat or higher.
100/100