CrazedCABdriver

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

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.

Tiger Company Complete The Most Dangerous Game.

Before the Fall Complete Boarding Action.

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

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

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

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

Protocol Dictates Action Complete The Library.

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

That’s My Ride On Assault on the Control Room get to the Banshee before the Elite.

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

New Whip Hijack 10 Vehicles.
100/100

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

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

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

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

Making a Necklace Collect 22 Skulls.
100/100

Beat the Drop Complete a Remixed Mission without dying.

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

REMIX! Complete a Remixed Mission.

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

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

Lore Have Mercy Activate all 13 Terminals.
100/100

Captain’s Orders Complete Keyes.

Time Trial Completed Finish every course's Time Trial!

Score Attack Completed Finish every course's Score Attack!

Double Trouble Complete Two Betrayals.

Disarmed Dismember 100 Flood parts.
100/100

All Maze Visuals Beat the game with every maze visual.

High Score Score 800,000 points in one game -- with Game Settings set to Hardcore.

Kill Jet Defeat Boss 'Jet' at the end of Stage 2 -- with Game Settings set to Hardcore.

Perfect Win Beat the game without continuing.

Hard Win Beat the game without using a special attack.

Barbarian Magic Perform the Level 4 magic attack with the Barbarian.

Perfect Win Beat the game without continuing.

Win Beat the game.

Co-op Win Beat the game in local Co-op mode.

Amazon Magic Perform the Level 6 magic attack with the Amazon.

Survivor Choose any character and reach "Across the Sea" (Stage 5) without dying once.

Omni Character Play as every character.

Online Co-op Complete an online Co-op game.