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Halo 3: ODST

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Cheats, Codes & FAQs

Unlockables brought to you by GameFAQs

Achievements

Complete each achievement to receive the allotted gamerscore.

  • Find the first Audio Log.
    Listener (5)
  • Find 3 Audio Logs, alone or with another ODST.
    Tuned In (15)
  • Find all Audio Logs, alone or with another ODST.
    Audiophile (75)
  • Find 15 Audio Logs, alone or with another ODST.
    All Ears (30)
  • Get 10 Rocket kills on Kizingo Boulevard.
    Both Tubes (5)
  • Kill all Wraiths in Uplift Reserve.
    Wraith Killer (5)
  • Get 10 Spartan Laser kills on ONI Alpha Site.
    Laser Blaster (5)
  • Kill 10 enemies with the Flamethrower on Data Hive.
    I Like Fire (5)
  • Get 15 headshot kills on NMPD HQ.
    Dome Inspector (5)
  • In Firefight, finish a full round without killing a single enemy.
    Be Like Marty (10)
  • Score over 200,000 points in Firefight on Last Exit.
    Firefight: Last Exit (10)
  • Score over 200,000 points in Firefight on Chasm Ten.
    Firefight: Chasm Ten (10)
  • Finish any level solo on Legendary, on LIVE, with no shots fired or grenades thrown.
    Vidmaster Challenge: Classic (25)
  • Complete Highway on 4-player Legendary LIVE co-op, with Iron, and no 'Hog or Scorpion.
    Vidmaster Challenge: De'ja` Vu (25)
  • In Firefight, on any mission, pass the 4th Set on 4-player Heroic LIVE co-op.
    Vidmaster Challenge: Endure (25)
  • Score over 200,000 points in Firefight on Windward.
    Firefight: Windward (10)
  • Score over 200,000 points in Firefight on Lost Platoon.
    Firefight: Lost Platoon (10)
  • Score over 200,000 points in Firefight on Crater.
    Firefight: Crater (10)
  • Score over 200,000 points in Firefight on Rally Point.
    Firefight: Rally Point (10)
  • Score over 200,000 points in Firefight on Alpha Site.
    Firefight: Alpha Site (10)
  • Score over 200,000 points in Firefight on Security Zone.
    Firefight: Security Zone (10)
  • Find the final clue unraveling the mystery, alone or with another ODST.
    Super Sleuth (10)
  • Get 10 Needler supercombine kills on any covenant.
    Pink and Deadly (5)
  • Plasma Pistol Overcharge and quickly kill 10 Brutes.
    My Clothes! (5)
  • Trade weapons with a fellow character.
    Trading Down (5)
  • Complete Tayari Plaza on Normal, Heroic, or Legendary to unlock a new Firefight character.
    Tayari Plaza (30)
  • Finish any level with at least one Skull activated.
    Headcase (5)
  • Get 5 sticky grenade kills in any level.
    Ewww, Sticky (5)
  • Access and download the city map to your VISR.
    Tourist (5)
  • Find the first Medical Kiosk and heal yourself.
    Heal Up (5)
  • Kill 5 enemies while using VISR mode.
    Dark Times (5)
  • Stun a vehicle with an overcharged plasma pistol and quickly kill the driver.
    Stunning! (5)
  • Get 10 automag headshot kills in any level.
    Boom, Headshot (5)
  • Complete Uplift Reserve on Normal, Heroic, or Legendary to unlock a new Firefight character.
    Uplift Reserve (30)
  • Complete the Campaign on Heroic difficulty.
    Campaign Complete: Heroic (100)
  • Complete the Campaign on Normal difficulty.
    Campaign Complete: Normal (100)
  • Complete the Campaign on Legendary to unlock a new Firefight character.
    Campaign Complete: Legendary (100)
  • Find the 3rd clue unraveling the mystery, alone or with another ODST.
    Gumshoe (10)
  • Find the first clue unraveling the mystery.
    Junior Detective (10)
  • Complete Coastal Highway on Normal, Heroic, or Legendary to unlock a new Firefight mission.
    Coastal Highway (50)
  • Complete ONI Alpha Site on Normal, Heroic, or Legendary to unlock a new Firefight mission.
    ONI Alpha Site (30)
  • Complete Kizingo Blvd. on Normal, Heroic, or Legendary to unlock a new Firefight character.
    Kizingo Boulevard (30)
  • Complete NMPD HQ on Normal, Heroic, or Legendary to unlock a new Firefight character.
    NMPD HQ (30)
  • Complete Data Hive on Normal, Heroic, or Legendary to unlock a new Firefight mission.
    Data Hive (50)
  • Complete Kikowani Station on Normal, Heroic, or Legendary.
    Kikowani Station (30)
  • Do not kill any engineers at night in New Mombasa, alone or with another ODST.
    Good Samaritan (20)
  • Kill 10 engineers at night in New Mombasa, alone or with another ODST.
    Naughty Naughty (5)
Firefight Missions

Complete certain campaign missions to unlock new maps for the Firefight game mode.

  • Complete the Uplift Reserve campaign mission on any difficulty.
    Lost Platoon
  • Complete the ONI Alpha Site campaign mission on any difficulty.
    Alpha Site
  • Complete the Date Hive campaign mission on any difficulty.
    Chasm Ten
  • Complete the Coastal Highway campaign mission on any difficulty.
    Last Exit
Firefight Unlockable Characters

Perform the task to unlock characters for use in Firefight mode.

  • Complete "Tayari Plaza" on Normal or higher.
    "Buck" Firefight Character
  • Complete "Kizingo Boulevard" on Normal or higher.
    "Mickey" Firefight Character
  • Complete the Campaign on Legendary difficulty.
    "Dare" Firefight Character
  • Complete "Uplift Reserve" on Normal or higher.
    "Dutch" Firefight Character
  • Complete "NMPD HQ" on Normal or higher.
    "Romeo" Character