Geometry kills (10): get 10 kills using the bounching projectiles of the scatter gun in campaign
Going for the gusto (25): get more than 100 kills with each weapon
Home field advantage (10): host an xbox live versus
Hunter (20): collect 25 dossiers
I fear the reaper (10): complete a ranked match of deathmatch
I said drop and roll (10): Bring down a Fire Brute
Investigator (50): collect all dossiers
King of the block (25): win around of every ranked xbox live game type
Long distance charges may apply (10): get more than 10 sniper riflle kills from more than 50 meters in campaign
Look upon my works and despair! (100): get more than 400 kills with each weapon
Magic Bullets (10): Get more than 10 kills using one m4 clip in campaign
Master Delegator (20): Get your squad to help you get more than 250 focus fire kills
Meatseeker (10): in campaign get more than 10 kills using the lock on feature of the antitank launcher
Probed (10): complete a game of abduction
Professional motivator (20): Get squad moral to more than 20x
Rapture (20): Kill more than 250 reborn
Researcher (10): Collect a Dossier
Small but mighty ((10): Get more than 10 headshots with the pistole in campaign
Spoils of War (25): win more than 25 ranked matches
The downward spore: Bring down a Spore Tower
The instrument of your doom (50): get more than 200 kills with each weapon
The loneliest number: host and XBOX LIVE game of blacksite co-op
The skulls of the vanquished (50): get over 20 kills in a single versus game without dying
Threat level Orange: complete game on orange difficulty
Threat level Red: complete game on red difficulty
Threat level Yellow: complete game on yellow difficulty
Vae victus(50): Win more than 50 ranked matches
We fear the reaper (10): complete a ranked match of team deathmatch