Halo 3: ODST achievements
1,478
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Halo 3: ODST

3.9 from 15715 votes

There are a maximum of 47 Halo 3: ODST achievements worth 1,478 (1,000)

190,285 tracked gamers have this game, 18,548 have completed it (9.75%)

Achievement Details

Firefight: Chasm Ten in Halo 3: ODST

Firefight: Chasm Ten24 (10)

Score over 200,000 points in Firefight on Chasm Ten.

  • Unlocked by 33,730 tracked gamers (18% - TA Ratio = 2.36) 190,285  

Achievement Guide for Firefight: Chasm Ten

AuthorSolution
Spartan8722
443,165 (261,595)
Spartan8722
Achievement won on 26 Sep 09
TA Score for this game: 1,478
Posted on 26 September 09 at 18:41
This solution has 56 positive votes and 4 negative votes. Please log in to vote.
I would recommend holding on to the UNSC Pistol the whole game, that way you have an easy weapon for headshoting grunts, and Jackals (Shoot their hand and then their head). Outside of that I would recommend grabbing a plasma pistol for the Brutes and Engineer.

I did this level with one other person, we played split screen which allowed us to easily know where the other is. Communication is Key! We stayed on the uppermost floor in the enclosed hallway, we would begin shooting out one of the doorways and then once everyone began throwing grenades into that hallway, we would run left or right to another hallway and shoot the enemies from the side. The Blackeye rounds are difficult because of this however, the only Melee attacks we really got were from overcharged plasma shotting a brute who would then run in to the hallways and try to punch us, we would simply return the favor to him.

The sniper also spawns in that hallway, we mostly used the snipers for taking out Hunters. (Remember to make those shots count! Look for the orange on the neck an lower back!)If someone dies or falls down, make sure they run into the enclosed hallway on the lower floor to ride the air vent back up. The rockets spawn downstairs, but are not as valuable as having a plasma pistol when tilt is on.

The most dangerous thing for this strategy is Chieftains with Hammer running into the hallway with invulnerability. If a Chieftain makes it into the hallway, turn and run to the next doorway that leads out of the hallway. DO NOT try to run backwards and shoot him, you will definitely run into a wall and die if you try. Just run outside one door, and then run back in another and try to shoot him before he can run back inside.

We got this by the end of the Second Set.
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