Came… From… Behind

On a Legendary map, got 3 assassinations during a ranked or social match.

… Get the Horns

On a Mythic map, got a Bulltrue medal during a ranked or social match.

Delicious Brains

On a Mythic map, infected 2 humans during a ranked or social match.

Zombie Repeller

On a Mythic map, killed 2 Zombies during a ranked or social match.

Double Double

On a Legendary map, got two Double Kills during a ranked or social match.

Awww, Too Bad

On a Mythic map, got a Killjoy medal during a ranked or social match.

Tilt

Claimed Tilt skull.

Thunderstorm

Claimed Thunderstorm skull.

Famine

Claimed Famine skull.

Fog

Claimed Fog skull.

We’re in for some Chop

Destroyed an enemy vehicle with equipment in a ranked playlist or in campaign.

Marathon Man

Accessed all Terminals in the Campaign.

Too Close to the Sun

Destroyed a banshee with the spartan laser or missile pod in a ranked playlist or in campaign.

Campaign Complete: Normal

Completed the Campaign on Normal difficulty.

Return

Completed the final mission of the Campaign.

Mythic

Claimed Mythic skull.

The Key

Completed the eighth mission of the Campaign.

Last Stand

Completed the seventh mission of the Campaign.

Refuge

Completed the sixth mission of the Campaign.

Cleansing

Completed the fifth mission of the Campaign.

Assault

Completed the fourth mission of the Campaign.

Spartan Officer

True veteran of many battles, you are a Spartan Officer.

Used Car Salesman

Destroyed a vehicle that has three enemies in it in a ranked playlist or in campaign.

UNSC Spartan

Promoted to Sergeant. Proven in combat, you are a Spartan.

Steppin' Razor

Scored a Triple Kill with the sword in a ranked free for all playlist.

Maybe Next Time Buddy

Boarded the same vehicle within 10 seconds after being boarded in any free for all playlist.

Mongoose Mowdown

Splattered an enemy with the mongoose in a ranked free for all playlist.

Lee R Wilson Memorial

Scored 5 grenade sticks in any ranked free for all playlist.

Killing Frenzy

Killed 10 enemies without dying in any ranked free for all playlist.

Triple Kill

Killed 3 enemies within 4 seconds of one another in a ranked free for all playlist.

Up Close and Personal

Killed 5 enemies by melee or assassination in a ranked free for all playlist.

Tough Luck

Claimed Tough Luck skull.

Catch

Claimed Catch skull.

Black Eye

Claimed Black Eye skull.

Iron

Claimed Iron skull.

MVP

Earned the MVP in a ranked playlist.

Graduate

Graduated from basic training. Stick with it to earn your Spartan Insignia.

Holdout

Completed the second mission of the Campaign.

Landfall

Completed the first mission of the Campaign.

Fear the Pink Mist

Killed 5 enemies with the needler in a ranked free for all playlist or in campaign.

The Road

Completed the third mission of the Campaign.

Campaign Complete: Heroic

Completed the Campaign on Heroic difficulty.

Headshot Honcho

Killed 10 enemies with headshots in a ranked free for all playlist or in campaign.

Campaign Complete: Legendary

Completed the Campaign on Legendary difficulty.