Halo 3 - ODST cheats and cheat codes for Xbox 360

Halo 3 - ODST achievements:
Complete the following achievements to award the indicated amount
of Xbox Live Gamerscore points.

Wraith Killer (5 gamerscore points):
Killed all Wraiths in Uplift Reserve

Vidmaster Challenge: Endure (25 gamerscore points):
In Firefight, on any mission, pass the 4th Set on 4-player Heroic LIVE co-op.

Vidmaster Challenge: Déja Vu (25 gamerscore points):
Finished Highway on 4-player Legendary LIVE co-op, with Iron, and
no 'Hog or Scorpion.

Vidmaster Challenge: Classic (25 gamerscore points):
Finish any level solo on Legendary, on LIVE, with no shots fired or
grenades thrown.

Uplift Reserve (30 gamerscore points):
Finished Uplift Reserve on Normal, Heroic, or Legendary to unlock a
new Firefight character.

Tuned In (15 gamerscore points):
Found 3 Audio Logs, alone or with another ODST.

Trading Down (5 gamerscore points):
Trade weapons with a fellow character

Tourist (5 gamerscore points):
Access and download the city map to your VISR.

Tayari Plaza (30 gamerscore points):
Finished Tayari Plaze on Normal, Heroic, or Legendary to unlock a new
Firefight character.

Super Sleuth (10 gamerscore points):
Found the final clue unraveling the mystery, alone or with another ODST.

Stunning! (5 gamerscore points):
Stun a vehicle with an overcharged plasma pistol and quickly kill the driver

Pink and Deadly (5 gamerscore points):
Got 10 Needler supercombine kills on any covenant

ONI Alpha Site (30 gamerscore points):
Finished ONI Slpha Site on Normal, Heroic, or Legendary to unlock a
new Firefighter mission.

NMPD HQ (30 gamerscore points):
Finished NMPD HQ on Normal, Heroic, or Legendary to unlock a new
Firefight mission.

Naughty Naughty (5 gamerscore points):
Killing things that are new and different is good, alone or with
another ODST.

My Clothes! (5 gamerscore points):
Plasma Pistol Overcharge and qucikly kill 10 Brutes.

Listener (5 gamerscore points):
Found the first Audio Log.

Laser Blaster (5 gamerscore points):
Got 10 Spartan Laser kills on ONI Alpha Site.

Kizingo Boulevard (30 gamerscore points):
Finished Kizingo Blvd. on Normal, Heroic, or Legendary to unlock a
new Firefighter character.

Kikiwani Station (30 gamerscore points):
Finished Kikowani Station on Normal, Heroic, or Legendary.

Junior Detective (10 gamerscore points):
Found the first clue unraveling the mystery.

I Like Fire (5 gamerscore points):
Killed 10 enemies with the Flamethrower on Data Hive.

Heal Up (5 gamerscore points):
Found the first Medical Kiosk and heal yourself.

Headcase (5 gamerscore points):
Finish any level with at least one Skull activated.

Gumshoe (10 gamerscore points):
Found the 3rd clue unraveling the mystery, alone or with another ODST.

Good Samaritan (20 gamerscore points):
Killing things that are new and different is bad, alone or with another ODST.

Firefight: Windward (10 gamerscore points):
Earn more than 200,000 points in Firefight on Windward.

Firefight: Security Zone (10 gamerscore points):
Earn more than 200,000 points in Firefight on Security Zone.

Firefight: Rally Point (10 gamerscore points):
Earn more than 200,000 points in Firefight on Rally Point.

Firefight: Lost Platoon (10 gamerscore points):
Earn more than 200,000 points in Firefight on Lost Platoon.

Firefight: Last Exit (10 gamerscore points):
Earn more than 200,000 points in Firefight on Last Exit.

Firefight: Crater (10 gamerscore points):
Earn more than 200,000 points in Firefight on Crater.

Firefight: Chasm Ten (10 gamerscore points):
Earn more than 200,000 points in Firefight on Chasm Ten.

Firefight: Alpha Site (10 gamerscore points):
Earn more than 200,000 points in Firefight on Alpha Site.

Ewww, Sticky (5 gamerscore points):
Got 5 sticky grenade kills in any level.

Dome Inspector (5 gamerscore points):
Got 15 headshot kills on NMPD HQ

Data Hive (50 gamerscore points):
Finished Data Hive on Normal, Heroic, or Legendary to unlock a new
Firefighter mission.

Dark Times (5 gamerscore points):
Killed 5 enemies while using VISR mode.

Coastal Highway (50 gamerscore points):
Finished Coastal Highway on Normal, Heroic, or Legendary to unlock a new
Firefighter mission.

Campaign Complete: Normal (100 gamerscore points):
Finished the Campaign on Normal difficulty.

Campaign Complete: Legendary (100 gamerscore points):
Finished the Campaign on Legendary to unlock a new Firefight character.

Campaign Complete: Heroic (100 gamerscore points):
Finished the Campaign on Heroic difficulty.

Both Tubes (5 gamerscore points):
Got 10 Rocket kills on Kizingo Boulevard.

Boom, Headshot (5 gamerscore points):
Got 10 automag headshot kills in any level.

Be Like Marty (10 gamerscore points):
In Firefight, finish a full round without lilling a single enemy.

Audiophile (75 gamerscore points):
Found all Audio Logs, alone or with another ODST.

All Ears (30 gamerscore points):
Found 15 Audio Logs, alone or with another ODST.


Avatar Awards
Unlock ODST Helmet: Award the Campaign Complete achievement.
Unlock ODST Shirt: Award the Tourist achievement.
Unlock ODST Armor: Award the Good Samaritan achievement.
Unlock ODST Hoodie: Award the Dark Times achievement.
Unlock Recon Helmet: Award the Vidmaster Challenge: Endure achievement.