Halo 3: ODST achievements
1,504
(1,000)

Halo 3: ODST

3.9 from 16625 votes

There are 47 Halo 3: ODST achievements worth 1,504 (1,000)

217,933 tracked gamers have this game, 19,954 have completed it (9.16%)

GruffleGrinder
89%

GruffleGrinder1,392 (950)

First played on 31 Oct 09

42 achievements out of 47 won

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Halo 3: ODST Achievements

Score over 200,000 points in Firefight on Crater.
Unlocked by 54,439 tracked gamers (25% - TA Ratio = 2.00)  
Finish any level solo on Legendary, on LIVE, with no shots fired or grenades thrown.
Unlocked by 66,368 tracked gamers (30% - TA Ratio = 1.81)  
In Firefight, finish a full round without killing a single enemy.
Unlocked by 71,203 tracked gamers (33% - TA Ratio = 1.74)  
Complete Highway on 4-player Legendary LIVE co-op, with Iron, and no 'Hog or Scorpion.
Unlocked by 41,649 tracked gamers (19% - TA Ratio = 2.28)  
Finish any level with at least one Skull activated.
Unlocked by 124,993 tracked gamers (57% - TA Ratio = 1.32)  
In Firefight, on any mission, pass the 4th Set on 4-player Heroic LIVE co-op.
Unlocked by 31,217 tracked gamers (14% - TA Ratio = 2.64)  
Score over 200,000 points in Firefight on Alpha Site.
Unlocked by 52,404 tracked gamers (24% - TA Ratio = 2.03)  
Score over 200,000 points in Firefight on Rally Point.
Unlocked by 43,494 tracked gamers (20% - TA Ratio = 2.23)  
Killing things that are new and different is good, alone or with another ODST.
Unlocked by 55,263 tracked gamers (25% - TA Ratio = 1.98)  
Complete the Campaign on Legendary to unlock a new Firefight character.
Unlocked by 84,605 tracked gamers (39% - TA Ratio = 1.60)  
Complete the Campaign on Heroic difficulty.
Unlocked by 102,034 tracked gamers (47% - TA Ratio = 1.46)  
Audiophile145 (75)
Find all Audio Logs, alone or with another ODST.
Unlocked by 58,708 tracked gamers (27% - TA Ratio = 1.92)  
Killing things that are new and different is bad, alone or with another ODST.
Unlocked by 87,415 tracked gamers (40% - TA Ratio = 1.57)  
Find the final clue unraveling the mystery, alone or with another ODST.
Unlocked by 141,712 tracked gamers (65% - TA Ratio = 1.24)  
All Ears48 (30)
Find 15 Audio Logs, alone or with another ODST.
Unlocked by 84,328 tracked gamers (39% - TA Ratio = 1.60)  
Complete the Campaign on Normal difficulty.
Unlocked by 145,023 tracked gamers (66% - TA Ratio = 1.22)  
Complete Coastal Highway on Normal, Heroic, or Legendary to unlock a new Firefight mission.
Unlocked by 148,884 tracked gamers (68% - TA Ratio = 1.20)  
Data Hive61 (50)
Complete Data Hive on Normal, Heroic, or Legendary to unlock a new Firefight mission.
Unlocked by 148,734 tracked gamers (68% - TA Ratio = 1.21)  
Kill 10 enemies with the Flamethrower on Data Hive.
Unlocked by 100,671 tracked gamers (46% - TA Ratio = 1.47)  
Plasma Pistol Overcharge and quickly kill 10 Brutes.
Unlocked by 87,182 tracked gamers (40% - TA Ratio = 1.58)  
Complete Kikowani Station on Normal, Heroic, or Legendary.
Unlocked by 152,285 tracked gamers (70% - TA Ratio = 1.19)  
NMPD HQ35 (30)
Complete NMPD HQ on Normal, Heroic, or Legendary to unlock a new Firefight character.
Unlocked by 156,135 tracked gamers (72% - TA Ratio = 1.18)  
Get 15 headshot kills on NMPD HQ.
Unlocked by 139,320 tracked gamers (64% - TA Ratio = 1.25)  
Stun a vehicle with an overcharged plasma pistol and quickly kill the driver.
Unlocked by 96,236 tracked gamers (44% - TA Ratio = 1.50)  
Complete ONI Alpha Site on Normal, Heroic, or Legendary to unlock a new Firefight mission.
Unlocked by 159,012 tracked gamers (73% - TA Ratio = 1.17)  
Get 10 Spartan Laser kills on ONI Alpha Site.
Unlocked by 113,732 tracked gamers (52% - TA Ratio = 1.38)  
Gumshoe11 (10)
Find the 3rd clue unraveling the mystery, alone or with another ODST.
Unlocked by 174,781 tracked gamers (80% - TA Ratio = 1.11)  
Complete Kizingo Blvd. on Normal, Heroic, or Legendary to unlock a new Firefight character.
Unlocked by 164,121 tracked gamers (75% - TA Ratio = 1.15)  
Get 10 Rocket kills on Kizingo Boulevard.
Unlocked by 90,256 tracked gamers (41% - TA Ratio = 1.55)  
Complete Uplift Reserve on Normal, Heroic, or Legendary to unlock a new Firefight character.
Unlocked by 174,505 tracked gamers (80% - TA Ratio = 1.11)  
Kill all Wraiths in Uplift Reserve.
Unlocked by 129,137 tracked gamers (59% - TA Ratio = 1.29)  
Trade weapons with a fellow character.
Unlocked by 179,356 tracked gamers (82% - TA Ratio = 1.10)  
Tuned In17 (15)
Find 3 Audio Logs, alone or with another ODST.
Unlocked by 171,379 tracked gamers (79% - TA Ratio = 1.12)  
Find the first Audio Log.
Unlocked by 186,420 tracked gamers (85% - TA Ratio = 1.08)  
Complete Tayari Plaza on Normal, Heroic, or Legendary to unlock a new Firefight character.
Unlocked by 183,946 tracked gamers (84% - TA Ratio = 1.08)  
Get 10 Needler supercombine kills on any covenant.
Unlocked by 135,465 tracked gamers (62% - TA Ratio = 1.26)  
Get 5 sticky grenade kills in any level.
Unlocked by 159,008 tracked gamers (73% - TA Ratio = 1.17)  
Find the first clue unraveling the mystery.
Unlocked by 206,783 tracked gamers (95% - TA Ratio = 1.02)  
Get 10 automag headshot kills in any level.
Unlocked by 184,250 tracked gamers (84% - TA Ratio = 1.08)  
Tourist5 (5)
Access and download the city map to your VISR.
Unlocked by 210,074 tracked gamers (96% - TA Ratio = 1.01)  
Kill 5 enemies while using VISR mode.
Unlocked by 213,820 tracked gamers (98% - TA Ratio = 1.00)  
Heal Up5 (5)
Find the first Medical Kiosk and heal yourself.
Unlocked by 216,720 tracked gamers (99% - TA Ratio = 1.00)  
Score over 200,000 points in Firefight on Lost Platoon.
Unlocked by 59,297 tracked gamers (27% - TA Ratio = 1.91)  
Score over 200,000 points in Firefight on Security Zone.
Unlocked by 42,508 tracked gamers (19% - TA Ratio = 2.26)  
Score over 200,000 points in Firefight on Windward.
Unlocked by 42,713 tracked gamers (20% - TA Ratio = 2.25)  
Score over 200,000 points in Firefight on Chasm Ten.
Unlocked by 36,696 tracked gamers (17% - TA Ratio = 2.43)  
Score over 200,000 points in Firefight on Last Exit.
Unlocked by 41,400 tracked gamers (19% - TA Ratio = 2.29)