Make a backup of current careerdb.xml file. Unzip new file, replace old file with new file in this path: Steam -> steamapps -> common -> Halo The Master Chief Collection -> data -> careerdb

Acrophobia Skull File

VyPr

Halo 3: ODST

Xbox 360

Xbox One

Jon_and_Pon

Bloop

BIoop

Cylles

RawSR

Easy

Legendary

Tayari Plaza

Uplift Reserve

Kizingo Blvd.

ONI Alpha Site

NMPD HQ

Kikowani Station

Data Hive

Coastal Highway

Recon Helmet%

New Game

Open Streets

Zero Shot

100%

Prepare to Drop

SLASO

Skulls%

Drone Optic

Gauss Turret

Remote Detonator

Sniper Rifle

Biofoam Canister

Acrophobia

Co-op Acrophobia

Full Game Difficulty

Main Missions

Full Game Categories

Main Mission Difficulties

Mombasa Streets

Halo

Haloruns.com

Co-op runs?

Do the runs need complete audio

Whats so Plus in New Game Plus

SLASO ILs

Harc

KinglyValence

Wingman953

femster

Two_EEzy

kidtrouble999

AngryCheese

btwhitebear