1,408
(1,000)

Halo 3: ODST

3.9 out of 5 from 12360 votes
 

115,402 tracked gamers have this game, 13,793 have completed it (11.95%) | 677 want to boost

There are a maximum of 47 Halo 3: ODST achievements worth 1,408 (1,000)

View achievements as list Halo 3: ODST Achievements

Campaign Complete: Normal

View guide to getting this achievementCampaign Complete: Normal118 (100)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game modeDifficulty Specific - This achievement requires play on a certain difficulty levelStackable - This achievement can be unlocked at the same time as, or in the course of, earning its more difficult counterpart
Complete the Campaign on Normal difficulty.

Coastal Highway

View guide to getting this achievementCoastal Highway58 (50)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game modeDifficulty Specific - This achievement requires play on a certain difficulty level
Complete Coastal Highway on Normal, Heroic, or Legendary to unlock a new Firefight mission.

Data Hive

View guide to getting this achievementData Hive58 (50)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game modeDifficulty Specific - This achievement requires play on a certain difficulty level
Complete Data Hive on Normal, Heroic, or Legendary to unlock a new Firefight mission.

I Like Fire

View guide to getting this achievementI Like Fire7 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Kill 10 enemies with the Flamethrower on Data Hive.

Kikowani Station

View guide to getting this achievementKikowani Station35 (30)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game modeDifficulty Specific - This achievement requires play on a certain difficulty level
Complete Kikowani Station on Normal, Heroic, or Legendary.

Super Sleuth

View guide to getting this achievementSuper Sleuth12 (10)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game modeBuggy - This achievement may either fail to unlock when it should, or unlock before the requirements have been met
Find the final clue unraveling the mystery, alone or with another ODST.

NMPD HQ

View guide to getting this achievementNMPD HQ34 (30)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game modeDifficulty Specific - This achievement requires play on a certain difficulty level
Complete NMPD HQ on Normal, Heroic, or Legendary to unlock a new Firefight character.

Dome Inspector

View guide to getting this achievementDome Inspector6 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Get 15 headshot kills on NMPD HQ.

ONI Alpha Site

View guide to getting this achievementONI Alpha Site34 (30)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game modeDifficulty Specific - This achievement requires play on a certain difficulty level
Complete ONI Alpha Site on Normal, Heroic, or Legendary to unlock a new Firefight mission.

Pink and Deadly

View guide to getting this achievementPink and Deadly6 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherCumulative - This achievement is obtained by gradually increasing one’s total number of experience points, kills, hours, or similar measures, over time to meet certain goals
Get 10 Needler supercombine kills on any covenant.

Laser Blaster

View guide to getting this achievementLaser Blaster7 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Get 10 Spartan Laser kills on ONI Alpha Site.

Kizingo Boulevard

View guide to getting this achievementKizingo Boulevard34 (30)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game modeDifficulty Specific - This achievement requires play on a certain difficulty level
Complete Kizingo Blvd. on Normal, Heroic, or Legendary to unlock a new Firefight character.

Gumshoe

View guide to getting this achievementGumshoe11 (10)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game mode
Find the 3rd clue unraveling the mystery, alone or with another ODST.

Tuned In

View guide to getting this achievementTuned In17 (15)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherCollectable - This achievement is obtained by exploring the game environment to find a set of unique objects
Find 3 Audio Logs, alone or with another ODST.

Headcase

View guide to getting this achievementHeadcase6 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Finish any level with at least one Skull activated.

My Clothes!

View guide to getting this achievementMy Clothes!7 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherCumulative - This achievement is obtained by gradually increasing one’s total number of experience points, kills, hours, or similar measures, over time to meet certain goals
Plasma Pistol Overcharge and quickly kill 10 Brutes.

Ewww, Sticky

View guide to getting this achievementEwww, Sticky6 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Get 5 sticky grenade kills in any level.

Uplift Reserve

View guide to getting this achievementUplift Reserve33 (30)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game modeDifficulty Specific - This achievement requires play on a certain difficulty level
Complete Uplift Reserve on Normal, Heroic, or Legendary to unlock a new Firefight character.

Wraith Killer

View guide to getting this achievementWraith Killer6 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Kill all Wraiths in Uplift Reserve.

Trading Down

View guide to getting this achievementTrading Down5 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Trade weapons with a fellow character.

Stunning!

View guide to getting this achievementStunning!7 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Stun a vehicle with an overcharged plasma pistol and quickly kill the driver.

Listener

View guide to getting this achievementListener5 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherCollectable - This achievement is obtained by exploring the game environment to find a set of unique objects
Find the first Audio Log.

Tayari Plaza

View guide to getting this achievementTayari Plaza32 (30)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game modeDifficulty Specific - This achievement requires play on a certain difficulty level
Complete Tayari Plaza on Normal, Heroic, or Legendary to unlock a new Firefight character.

Junior Detective

View guide to getting this achievementJunior Detective10 (10)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game mode
Find the first clue unraveling the mystery.

Boom, Headshot

View guide to getting this achievementBoom, Headshot5 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Get 10 automag headshot kills in any level.

Tourist

View guide to getting this achievementTourist5 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game mode
Access and download the city map to your VISR.

Dark Times

View guide to getting this achievementDark Times5 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherCumulative - This achievement is obtained by gradually increasing one’s total number of experience points, kills, hours, or similar measures, over time to meet certain goals
Kill 5 enemies while using VISR mode.

Heal Up

View guide to getting this achievementHeal Up5 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Find the first Medical Kiosk and heal yourself.

Campaign Complete: Heroic

View guide to getting this achievementCampaign Complete: Heroic137 (100)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game modeDifficulty Specific - This achievement requires play on a certain difficulty levelStackable - This achievement can be unlocked at the same time as, or in the course of, earning its more difficult counterpart
Complete the Campaign on Heroic difficulty.

Campaign Complete: Legendary

View guide to getting this achievementCampaign Complete: Legendary149 (100)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game modeDifficulty Specific - This achievement requires play on a certain difficulty level
Complete the Campaign on Legendary to unlock a new Firefight character.

Both Tubes

View guide to getting this achievementBoth Tubes7 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Get 10 Rocket kills on Kizingo Boulevard.

Good Samaritan

View guide to getting this achievementGood Samaritan30 (20)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherMissable - This achievement will require starting a new save file if the opportunity to obtain it is missed
Killing things that are new and different is bad, alone or with another ODST.

Naughty Naughty

View guide to getting this achievementNaughty Naughty9 (5)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Killing things that are new and different is good, alone or with another ODST.

All Ears

View guide to getting this achievementAll Ears45 (30)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherCollectable - This achievement is obtained by exploring the game environment to find a set of unique objects
Find 15 Audio Logs, alone or with another ODST.

Audiophile

View guide to getting this achievementAudiophile131 (75)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherCollectable - This achievement is obtained by exploring the game environment to find a set of unique objects
Find all Audio Logs, alone or with another ODST.

Be Like Marty

View guide to getting this achievementBe Like Marty16 (10)

Online/Offline - This achievement can be obtained in either an online or offline modeCooperative - This achievement can be obtained in non-versus game modes where players work together
In Firefight, finish a full round without killing a single enemy.

Firefight: Crater

View guide to getting this achievementFirefight: Crater18 (10)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Score over 200,000 points in Firefight on Crater.

Firefight: Lost Platoon

View guide to getting this achievementFirefight: Lost Platoon17 (10)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Score over 200,000 points in Firefight on Lost Platoon.

Firefight: Rally Point

View guide to getting this achievementFirefight: Rally Point20 (10)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Score over 200,000 points in Firefight on Rally Point.

Firefight: Security Zone

View guide to getting this achievementFirefight: Security Zone20 (10)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Score over 200,000 points in Firefight on Security Zone.

Firefight: Alpha Site

View guide to getting this achievementFirefight: Alpha Site18 (10)

Online/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Score over 200,000 points in Firefight on Alpha Site.

Firefight: Windward

View guide to getting this achievementFirefight: Windward20 (10)

1 gamer needs helpOnline/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Score over 200,000 points in Firefight on Windward.

Firefight: Chasm Ten

View guide to getting this achievementFirefight: Chasm Ten22 (10)

1 gamer needs helpOnline/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Score over 200,000 points in Firefight on Chasm Ten.

Firefight: Last Exit

View guide to getting this achievementFirefight: Last Exit20 (10)

1 gamer needs helpOnline/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work together
Score over 200,000 points in Firefight on Last Exit.

Vidmaster Challenge: Classic

View guide to getting this achievementVidmaster Challenge: Classic41 (25)

Online Required - This achievement requires play in online game modesSingle Player - This achievement can be obtained in single player game modesDifficulty Specific - This achievement requires play on a certain difficulty level
Finish any level solo on Legendary, on LIVE, with no shots fired or grenades thrown.

Vidmaster Challenge: Endure

View guide to getting this achievementVidmaster Challenge: Endure59 (25)

1 gamer needs helpOnline Required - This achievement requires play in online game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherDifficulty Specific - This achievement requires play on a certain difficulty level3+ Players Required - This achievement requires more than two people to be participating in order for anyone to obtain it
In Firefight, on any mission, pass the 4th Set on 4-player Heroic LIVE co-op.

Vidmaster Challenge: Déjà Vu

View guide to getting this achievementVidmaster Challenge: Déjà Vu51 (25)

Online Required - This achievement requires play in online game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherDifficulty Specific - This achievement requires play on a certain difficulty level3+ Players Required - This achievement requires more than two people to be participating in order for anyone to obtain it
Complete Highway on 4-player Legendary LIVE co-op, with Iron, and no 'Hog or Scorpion.