WalkerH20

Colonial Legend Obtain all Trophies.

Overly Attached Collect 50 weapon attachments.
50/50

Another Bug Hunt Eliminate 10000 Xenomorphs.
10000/10000

Head Hunter Get 1000 Headshot kills.
1000/1000

Decommission Mission Eliminate 1000 Combat Automatons.
1000/1000

Custom Made Marine Complete 5 missions with the Specialist Kit.
5/5

Voided Warranty Collect 5 Augments.
5/5

Spilled Milk Eliminate 1000 Synthetics.
1000/1000

Wave Goodbye Survive 5 waves in Horde Mode.

Fervent Warrior Complete a mission on Insane Difficulty.

Maxed Out Fill every slot in a perk board.

Seasoned Veteran Level a Kit to Rank 10.

Noble Soldier Complete a mission on Extreme Difficulty.

Pure Professionals Complete a mission on Intense Difficulty or above without anyone taking friendly fire damage.

Hardened Trooper Complete a mission on Intense Difficulty.

Reckoning Complete the "Final Endeavor" Campaign.

Legionnaire's Service Medal Complete all Campaigns on Casual or higher difficulty.

Well Stocked Arsenal Level 10 weapons to at least two stars.
10/10

The Story of the Quarry Complete the "Ancient Anomaly" Campaign.

Purge the Unclean Eliminate 1000 Pathogen.
1000/1000

Fully Loaded Equip a weapon with all attachments, including an Augment.

Next Top Marine Equip cosmetics on your head, torso and legs.

Canary Complete the "Rock Bottom" Campaign.

How Do You See Out Of These Things? Collect 10 hats.
10/10

Worst Party Ever Complete the "Boarding Party" Campaign.

Hell and Back Level a weapon to four stars.

Yellow Makes It Shoot Better Equip a colorway and three decals onto a gun.

Not Just For Decoration Equip at least one attachment on a sidearm.

It's a rescue mission, you'll love it! Complete the "Rescue and Recovery" Campaign.

Welcoming Committee Complete the "Prologue" Campaign.

Worthiness Tested Attempt a Challenge run.

Fully Evolved Collect Every Trophy.

New Whip Hijack 10 Vehicles.
100/100

Clean Lap On The Maw complete the warthog run without being forcibly ejected from your vehicle.

Arm's Length On 343 Guilty Spark complete the first floor without taking a hit.

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

Jiralhanae Conservationist On The Most Dangerous Game don’t kill any rampaging Brutes.

Mix Master Complete an entire Remixed Campaign without dying.
100/100

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

Like Old Times Complete Two Betrayals with the Speed Limit, Endurance Spec, Hip Fire, and Armistice Skulls enabled.

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

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

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

Even Tempered With the Temperamental Skull activated beat Halo without upsetting anyone.

REMIX! Complete a Remixed Mission.

Beat the Drop Complete a Remixed Mission without dying.

MYTHIC Complete the Campaign with LASO enabled.
100/100

Birth of a Spartan Complete the Campaign on Normal Difficulty.
100/100

Heroes Never Die Complete the Campaign on Heroic Difficulty.
100/100

Living Legend Complete the Campaign on Legendary Difficulty.
100/100