Halo 3: ODST achievements

Halo 3: ODST

3.9 from 16442 votes

There are 47 Halo 3: ODST achievements worth 1,500 (1,000)

212,110 tracked gamers have this game, 19,616 have completed it (9.25%)

Achievement Details

Coastal Highway in Halo 3: ODST

Coastal Highway60 (50)

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

  • Unlocked by 145,320 tracked gamers (68% - TA Ratio = 1.20) 212,183  

Achievement Guide for Coastal Highway

277,257 (146,059)
Achievement won on 23 Sep 09
TA Score for this game: 1,500
Posted on 27 September 09 at 19:03, Edited on 26 May 12 at 22:26
This solution has 27 positive votes and 0 negative votes. Please log in to vote.
This is the last level of the game. Play only on normal or above. Some advise for completing this level would be to not have the catch skull on at. There are alot of grunts on this highway and you will get stuck alot. Once you get to the tank it's smooth sailing just make sure you cover "Dare" because she can die and then you fail and have to start from the last checkpoint. If you're playing on Legendary with the iron skull on, there is a cache of rocket launchers with 998 rockets in it. It's at the beginning of the level right after you get in the hall in the tunnel but I believe it has to be 4 player co-op. I believe this also has to be done in one sitting as well because resumed games are only counted for the where you start at it so it will count it as not completely playing all the way through.
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