Coastal Highway (50)

Complete Coastal Highway on Normal, Heroic, or Legendary to unlock a new Firefight mission.

Junior Detective (10)

Find the first clue unraveling the mystery.

Gumshoe (10)

Find the 3rd clue unraveling the mystery, alone or with another ODST.

Campaign Complete: Legendary (100)

Complete the Campaign on Legendary to unlock a new Firefight character.

Campaign Complete: Normal (100)

Complete the Campaign on Normal difficulty.

Campaign Complete: Heroic (100)

Complete the Campaign on Heroic difficulty.

Uplift Reserve (30)

Complete Uplift Reserve on Normal, Heroic, or Legendary to unlock a new Firefight character.

Boom, Headshot (5)

Get 10 automag headshot kills in any level.

Stunning! (5)

Stun a vehicle with an overcharged plasma pistol and quickly kill the driver.

Heal Up (5)

Find the first Medical Kiosk and heal yourself.

Dark Times (5)

Kill 5 enemies while using VISR mode.

Tourist (5)

Access and download the city map to your VISR.

Ewww, Sticky (5)

Get 5 sticky grenade kills in any level.

Headcase (5)

Finish any level with at least one Skull activated.

Tayari Plaza (30)

Complete Tayari Plaza on Normal, Heroic, or Legendary to unlock a new Firefight character.

Trading Down (5)

Trade weapons with a fellow character.

My Clothes! (5)

Plasma Pistol Overcharge and quickly kill 10 Brutes.

Pink and Deadly (5)

Get 10 Needler supercombine kills on any covenant.

Super Sleuth (10)

Find the final clue unraveling the mystery, alone or with another ODST.

Firefight: Security Zone (10)

Score over 200,000 points in Firefight on Security Zone.

Firefight: Alpha Site (10)

Score over 200,000 points in Firefight on Alpha Site.

Firefight: Rally Point (10)

Score over 200,000 points in Firefight on Rally Point.

Firefight: Crater (10)

Score over 200,000 points in Firefight on Crater.

Firefight: Lost Platoon (10)

Score over 200,000 points in Firefight on Lost Platoon.

Firefight: Windward (10)

Score over 200,000 points in Firefight on Windward.

Vidmaster Challenge: Endure (25)

In Firefight, on any mission, pass the 4th Set on 4-player Heroic LIVE co-op.

Vidmaster Challenge: De’ja` Vu (25)

Complete Highway on 4-player Legendary LIVE co-op, with Iron, and no ’Hog or Scorpion.

Vidmaster Challenge: Classic (25)

Finish any level solo on Legendary, on LIVE, with no shots fired or grenades thrown.

Firefight: Chasm Ten (10)

Score over 200,000 points in Firefight on Chasm Ten.

Firefight: Last Exit (10)

Score over 200,000 points in Firefight on Last Exit.

Dome Inspector (5)

Get 15 headshot kills on NMPD HQ.

Be Like Marty (10)

In Firefight, finish a full round without killing a single enemy.

I Like Fire (5)

Kill 10 enemies with the Flamethrower on Data Hive.

Laser Blaster (5)

Get 10 Spartan Laser kills on ONI Alpha Site.

Wraith Killer (5)

Kill all Wraiths in Uplift Reserve.

Both Tubes (5)

Get 10 Rocket kills on Kizingo Boulevard.

All Ears (30)

Find 15 Audio Logs, alone or with another ODST.

Kizingo Boulevard (30)

Complete Kizingo Blvd. on Normal, Heroic, or Legendary to unlock a new Firefight character.

ONI Alpha Site (30)

Complete ONI Alpha Site on Normal, Heroic, or Legendary to unlock a new Firefight mission.

Audiophile (75)

Find all Audio Logs, alone or with another ODST.

Listener (5)

Find the first Audio Log.

Tuned In (15)

Find 3 Audio Logs, alone or with another ODST.

NMPD HQ (30)

Complete NMPD HQ on Normal, Heroic, or Legendary to unlock a new Firefight character.

Data Hive (50)

Complete Data Hive on Normal, Heroic, or Legendary to unlock a new Firefight mission.

Kikowani Station (30)

Complete Kikowani Station on Normal, Heroic, or Legendary.

Good Samaritan (20)

Do not kill any engineers at night in New Mombasa, alone or with another ODST.

Naughty Naughty (5)

Kill 10 engineers at night in New Mombasa, alone or with another ODST.

"Buck" Firefight Character

Complete "Tayari Plaza" on Normal or higher.

"Mickey" Firefight Character

Complete "Kizingo Boulevard" on Normal or higher.

"Dare" Firefight Character

Complete the Campaign on Legendary difficulty.

"Dutch" Firefight Character

Complete "Uplift Reserve" on Normal or higher.

"Romeo" Character

Complete "NMPD HQ" on Normal or higher.

Lost Platoon

Complete the Uplift Reserve campaign mission on any difficulty.

Alpha Site

Complete the ONI Alpha Site campaign mission on any difficulty.

Chasm Ten

Complete the Date Hive campaign mission on any difficulty.

Last Exit

Complete the Coastal Highway campaign mission on any difficulty.