Pull Hard, Pull Deep

Won and never trailed in a Tug of War game.

Penny Pincher

Got a winning High Score with 10 or less Squads against the Heroic AI.

Big Al's Scooter

Won a Heroic Skirmish Game against the AI in under 10 minutes.

Basically Naïve

Won 10 Skirmish or Multiplayer Matches

2 Bugs are Better Than 1

Won a Skirmish Game with Dual Scarabs.

Playin' the Field

Won a Skirmish Game with every Leader.

N00b n0 M0r3

Won a Public game.

So Lonely At the Top

Won and had the highest score in a Public Game.

My Virtual Friends Love Me

Won a 3v3 Skirmish game with 2 AI Allies.

Walk-off Winner

Used one of the 6 Major Leader Powers to destroy an enemy's last unit.

Crushed Colors

Improved your Score in any Campaign Mission.

Alas, Poor Andrew Thomas

Collected your first Skull.

Halo Undergraduate

Unlocked a Timeline Event.

Forging a Way to History

Completed Mission 15 on any difficulty.

Signed, Sealed, Delivered

Completed Mission 14 on any difficulty.

A Means to an End

Completed Mission 13 on any difficulty.

Beaming with Pride

Mission 13: Destroyed 25 units with the Scarab.

She’s my Fixer Upper

Completed Mission 12 on any difficulty.

Most Valuable Deck Hand

Completed Mission 11 on any difficulty.

Battened Down the Hatches

Mission 11: Saved all the Airlocks.

Evacuation of the Fittest

Completed Mission 10 on any difficulty.

Staving Off the Infection

Completed Mission 9 on any difficulty.

Saving the Parade

Completed Mission 8 on any difficulty.

Dancing with the Beam Queen

Completed Mission 7 on any difficulty.

Great Form!

Completed Mission 6 on any difficulty.

Patience IS a Virtue

Completed Mission 5 on any difficulty.

High Class Escort

Completed Mission 4 on any difficulty.

Smash and Grab

Completed Mission 3 on any difficulty.

Build for Success

Completed Mission 2 on any difficulty.

Meet Sergeant Forge

Completed Mission 1 on any difficulty.

Momma's Boy

Got a Gold Medal on any mission.