Campaign Complete: Normal
Completed the Campaign on Normal difficulty.
100 ✓ January 1st, 1753
Data Hive
Completed Data Hive and unlocked the Chasm Ten Firefight mission.
50 ✓ January 1st, 1753
Coastal Highway
Completed Coastal Highway and unlocked the Last Exit Firefight mission.
50 ✓ January 1st, 1753
Tayari Plaza
Completed Tayari Plaza and unlocked the Buck character in Firefight.
30 ✓ November 9th, 2009
Uplift Reserve
Completed Uplift Reserve and unlocked the Dutch character in Firefight.
30 ✓ December 29th, 2009
Kizingo Boulevard
Completed Kizingo Blvd. and unlocked the Mickey character in Firefight.
30 ✓ December 29th, 2009
ONI Alpha Site
Completed ONI Alpha Site and unlocked the Alpha Site Firefight mission.
30 ✓ December 30th, 2009
NMPD HQ
Completed NMPD HQ and unlocked the Romeo character in Firefight.
30 ✓ January 1st, 1753
Kikowani Station
Completed Kikowani Station on Normal, Heroic, or Legendary.
30 ✓ January 1st, 1753
Tuned In
Found 3 Audio Logs, alone or with another ODST.
15 ✓ December 30th, 2009
Junior Detective
Found the first clue unraveling the mystery.
10 ✓ November 9th, 2009
Gumshoe
Found the 3rd clue unraveling the mystery, alone or with another ODST.
10 ✓ December 29th, 2009
Super Sleuth
Found the final clue unraveling the mystery, alone or with another ODST.
10 ✓ January 1st, 1753
Heal Up
Found the first Medical Kiosk and healed yourself.
5 ✓ November 9th, 2009
Tourist
Accessed and downloaded the city map to your VISR.
5 ✓ November 9th, 2009
Dark Times
Killed 5 enemies while using VISR mode.
5 ✓ November 9th, 2009
Boom, Headshot
Got 10 automag headshot kills in any level.
5 ✓ November 9th, 2009
Ewww, Sticky
Got 5 sticky grenade kills in any level.
5 ✓ December 30th, 2009
Pink and Deadly
Got 10 Needler supercombine kills on any covenant.
5 ✓ December 30th, 2009
Trading Down
Traded weapons with a fellow character.
5 ✓ December 29th, 2009
Headcase
Finished any level with at least one Skull activated.
5 ✓ January 1st, 1753
Wraith Killer
Killed all Wraiths in Uplift Reserve.
5 ✓ January 1st, 1753
Laser Blaster
Got 10 Spartan Laser kills on ONI Alpha Site.
5 ✓ December 30th, 2009
Dome Inspector
Got 15 headshot kills on NMPD HQ.
5 ✓ January 1st, 1753
I Like Fire
Killed 10 enemies with the Flamethrower on Data Hive.
5 ✓ January 1st, 1753
Listener
Found the first Audio Log.
5 ✓ December 29th, 2009
Campaign Complete: Heroic
Completed the Campaign on Heroic difficulty.
100 
Campaign Complete: Legendary
Completed Legendary and unlocked the Dare character in Firefight.
100 
Audiophile
Found all Audio Logs, alone or with another ODST.
75 
All Ears
Found 15 Audio Logs, alone or with another ODST.
30 
Vidmaster Challenge: Classic
Finished any level solo on Legendary, on LIVE, with no shots fired or grenades thrown.
25 
Vidmaster Challenge: Endure
In Firefight, on any mission, passed the 4th Set on 4-player Heroic LIVE co-op.
25 
Vidmaster Challenge: Déjà Vu
Completed Highway on 4-player Legendary LIVE co-op, with Iron, and no 'Hog or Scorpion.
25 
Good Samaritan
Killed no Engineers in the city at night during entire campaign, alone or with another ODST.
20 
Firefight: Lost Platoon
Scored over 200,000 points in Firefight on Lost Platoon.
10 
Firefight: Rally Point
Scored over 200,000 points in Firefight on Rally Point.
10 
Firefight: Security Zone
Scored over 200,000 points in Firefight on Security Zone.
10 
Firefight: Alpha Site
Scored over 200,000 points in Firefight on Alpha Site.
10 
Firefight: Windward
Scored over 200,000 points in Firefight on Windward.
10 
Firefight: Chasm Ten
Scored over 200,000 points in Firefight on Chasm Ten.
10 
Firefight: Last Exit
Scored over 200,000 points in Firefight on Last Exit.
10 
Be Like Marty
In Firefight, finished a full round without killing a single enemy.
10 
Firefight: Crater
Scored over 200,000 points in Firefight on Crater.
10 
Stunning!
Stunned a vehicle with an overcharged plasma pistol and quickly killed the driver.
5 
My Clothes!
Plasma Pistol Overcharged and quickly killed 10 Brutes.
5 
Both Tubes
Got 10 Rocket kills on Kizingo Boulevard.
5 
Naughty Naughty
Killed 10 Engineers in the city at night, alone or with another ODST.
5