Halo: The Master Chief Collection

Halo: The Master Chief Collection Achievements

Mean Streets of New Mombasa

H3: ODST: Complete every level of the game on Legendary difficulty.     

This achievement will unlock once Mombasa Streets, all eight missions, and the cut scenes (Prepare to Drop and Epilogue) of the Halo 3: ODST Campaign have been successfully completed on either a solo or cooperative Legendary playthrough. It is recommended that you play through the game's Legendary Campaign playlist so that this playthrough will also contribute toward the "Trifecta" achievement. 

Take note that "Mombasa Streets" is treated as one level, with each visit set as a different Rally Point. This means that after completing the first street segment (before Tayari Plaza), you can skip all of the following visits by quitting the Campaign and selecting the next mission through the Campaign lobby menu, provided you aren't playing as part of a playlist. If you do this you will have to return to these points later on for all the clue related achievements, though you can do so on Easy rather than Legendary.

Unlike the other games in the series, most of the missions in this campaign are very linear or “defense based,” and simply don’t have the “out of map” or “rushing” tactics some players may be familiar with from Halo 2 or Halo 4. Despite this, keep these general tips in mind when playing:

  • Utilize the Noob-Combo (Plasma Pistol/Pistol) at all times when facing Brutes; an overcharged Plasma Pistol shot will drain their shields, and a quick Pistol round to the head will guarantee a kill
  • In Uplift Reserve, utilize the Covenant Ghosts to quickly pass through the entirety of the mission as if you were speed running, thus lessening the amount of killing needed and overall time spent on the mission
  • When squaring off against Drones in Data Hive, keep a Covenant Carbine or Beam Rifle on hand; it’s the best weapon to use against these pesky, agile flyers.
  • Don’t neglect the basics of using cover; when your “shields” drop down, hide behind a wall or crouch behind an object before charging back out into battle
  • Don’t hesitate in giving your power weapons (Rocket Launcher, Fuel Rod Cannon, etc.) to mission-essential NPCs (such as Mickey during ONI Alpha Site or Buck during NMPD HQ and Coastal Highway) as they are invincible and have unlimited ammo

Overall, because seasoned Halo players will be familiar with both level design and enemy behavior, completing the entire Campaign on Legendary will be quite easy. Once all the missions in Halo 3: ODST have been completed on the Legendary difficulty setting, this achievement will be yours.

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User Comments
Comment #1 by Pureclass
Saturday, May 30, 2015 @ 01:04:51 PM

I'm looking for someone who wants to beat the ODST co-op Legendary Campaign.
Message me if you're interested! :)
GT: Pureclass1993

Comment #2 by DOOM 75
Saturday, May 30, 2015 @ 09:51:36 PM

Same as above looking for people to complete Co-Op legendary campaign with, message if interested!


Comment #3 by mini bin
Monday, June 01, 2015 @ 09:31:33 AM

Yes looking for people to help


Comment #4 by Duchessofdismal
Monday, June 01, 2015 @ 01:20:47 PM

I completed this yesterday with a couple friends and the achievement never popped up. They didn't get it either.

Comment #5 by SupremegeneralJ
Monday, June 01, 2015 @ 03:35:52 PM

I did the odst legendary playlist finished the game only to find all the difficulty related achievements stopped at 75% for no reason.

Comment #6 by SupremegeneralJ
Monday, June 01, 2015 @ 03:39:45 PM

The game even says I have completed them all on legendary. More buggy halo achievements.

Comment #7 by geopiggy123
Friday, June 05, 2015 @ 11:20:28 PM

Looking for people to do this with if you are interested my gamer tag is GEOPIGGY123

Comment #8 by Nick Infinite
Saturday, June 06, 2015 @ 02:25:45 AM

Yeah mine didn't pop either. Stopped on 83% for me even though I did the whole campaign legendary solo

Comment #9 by InkIsForSquids
Monday, June 15, 2015 @ 06:21:09 PM

Looking for co-op partner in UK or US.

Gamertag: InkIsForSquids.

Add with message if interested.

Comment #10 by Crew511A
Saturday, July 04, 2015 @ 06:40:25 AM

Looking for other adults with a mic to do some co-op play. Gamertag is Crew511A

Comment #11 by WipeoutBoy1
Sunday, July 12, 2015 @ 08:34:25 PM

Didn't unlock for me

Comment #12 by i have a 4
Friday, July 31, 2015 @ 04:56:13 AM

7/8 here.....

Comment #13 by RaiRiku
Saturday, August 08, 2015 @ 12:48:28 AM

Looking to work on this as a Co op... Add darkvirgil89 I also have a mic.

Comment #14 by AsSelf
Thursday, August 20, 2015 @ 01:23:14 PM

Easy going, team player with over 87,000 gamerscore.

Add me for co-op and achievements.

GT: your7sins

Comment #15 by sin 1
Thursday, June 02, 2016 @ 05:55:46 AM

I'm an easy going, team player that gets along with almost everyone.
Feel free to add me for co-op game-play and help with achievements.

GT: sin 1

Comment #16 by JorgeJz11
Monday, April 09, 2018 @ 11:02:22 PM

add JorgeJz1 for this achievement

Comment #17 by sin 1
Thursday, June 11, 2020 @ 05:27:16 PM

Add me for co-op game-play and help with achievements.

Gamer Tag: GDMF

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Game Info
343 Industries


US November 11, 2014

HDD Space Required : 45.63 GB
Price: $59.99USD
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User Score is based on 368 user ratings.