US_SEALs

All Shield, No Yield Complete any level on Heroic difficulty or higher without taking health damage.

Map Quest Complete The Silent Cartographer without shooting, using grenades, melee, dying, or restarting.

Food Critic Listen to the Thirsty Grunt talk about his eating habits.

This is My Ship Now Eliminate Captain Keyes and trap his six avenging Marines in the Autumn’s observation pen.

Hot Streak With the Floor Is Lava Skull activated beat a mission without jumping or dying.

Frugal Fire Equip Famine, Recession, and Johnny Ammo Tree Skulls and beat a mission without running out of ammo.

REMIX! Complete a Remixed Mission.

The Autumn Leaves Complete Pillar of Autumn.

Personal Space Complete Heavy Burden.

Parting Gifts Find all skulls and terminals in Heavy Burden.
100/100

Headhunter Collect all 39 Skulls.
100/100

Collector’s Addition Find all skulls and terminals in the game.
100/100

Lore Have Mercy Activate all 13 Terminals.
100/100

Brute Loops Find all skulls and terminals in The Most Dangerous Game.
100/100

Souvenirs Find all skulls and terminals in Boarding Action.
100/100

No Rush Find all skulls and terminals in The Maw.
100/100

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

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

Bad Gas Destroy 100 Grunt backpacks.
100/100

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

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

New Whip Hijack 10 Vehicles.
100/100

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

Plate Tectonics Break off 25 Hunter backplates.
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

Making a Necklace Collect 22 Skulls.
100/100

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

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

Tiger Company Complete The Most Dangerous Game.

Before the Fall Complete Boarding Action.

Captain’s Orders Complete Keyes.

Disarmed Dismember 100 Flood parts.
100/100

Double Trouble Complete Two Betrayals.

Protocol Dictates Action Complete The Library.

This Stuff is Your History Complete 343 Guilty Spark.

Control Alt Delete Complete Assault on the Control Room.

Claims Adjuster Break off 50 Vehicle parts.
100/100

Make Them Count Kill 100 enemies with headshots.
100/100

Bee Thirty Complete Silent Cartographer.

Infiltration Anticipation Complete Truth and Reconciliation.

Installation 04 Complete Halo.

Cranial Collect a Skull.

The Demon's Domain Complete mission “The Cursed Mine”.

Fist of the Mountain Defeat all bosses in The Demon's Domain.
5/5

Looking for Work at the Top of the World Complete all side missions on the Whispering Glacier.
11/11

He Loved You Complete mission “Damnation Encroaches”.

Hull Frozen Over Complete mission “What Lies Dreaming”.

All is Well Finish the main story

Destruction Derby Wreck 24 cars from the comfort of your own vehicle