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Halo 3: ODST

2,88699099
4.54105,3832,371 (2%)20-25 h
Halo 3: ODST

ONI Alpha Site achievement in Halo: The Master Chief Collection

ONI Alpha Site

H3: ODST: Complete ONI Alpha Site.

ONI Alpha Site0
1 guideOnline/OfflineSingle PlayerCooperativeMain Storyline

How to unlock the ONI Alpha Site achievement

  • CyberPunch83CyberPunch83381,720 381,720 GamerScore
    03 May 2018 16 May 2018
    2 1 0
    Story related and cannot be missed. This mission is triggered from the satchel charge detonator scrap found in Mombasa Streets.
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