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Mud Scientist Get dirty while wearing the Scientist uniform

Taste the poison! Throw a poisonous creature at an enemy

Foodie Record any food item into your Food Collection

Ralph Called Make Snake throw up

Time Paradox Create the Ocelot Time Paradox

Young Gun Stun Ocelot

Beekeeper Use bees to harass an enemy

Like He Just Doesn't Care Hold up an enemy

Mama Said CQC Slam a guard and knock him out

Tell Me Where the Bomb Is CQC Interrogate an enemy

I Can Totally See You Achieve a Camo Index of 90% or higher

Mostly Dead Use the Fake Death pill

Can I Keep It? Capture any animal alive

Cinephile Listen to Para-Medic talk about movies after you save

Ugly Duckling Attack a GA-KO for the first time

Prince Charming Attack a Kerotan for the first time

Serenity Now Call one Healing Radio frequency

Snake Eater Eat a snake of any type

War Has Changed Start a game in New Style

Fully Evolved Collect Every Trophy.

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

New Whip Hijack 10 Vehicles.
100/100

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

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

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

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

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.

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.

MYTHIC Complete the Campaign with LASO enabled.
100/100

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

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

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

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

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

Headhunter Collect all 39 Skulls.
100/100

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

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

Personal Space Complete Heavy Burden.

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

Lore Have Mercy Activate all 13 Terminals.
100/100

Tiger Company Complete The Most Dangerous Game.

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

Before the Fall Complete Boarding Action.

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

Bad Gas Destroy 100 Grunt backpacks.
100/100

Dust & Echoes Evolved Complete The Maw.

Greenhorn Complete the Campaign on Easy Difficulty.
100/100

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