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Title Update 2

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Title Update 2

Key achievement in Halo MCC

Key

Halo 4: Complete all chapters in Spartan Ops Episode 9.

Key0
1 guideOnline/OfflineSingle PlayerCooperative

How to unlock the Key achievement

  • CyberPunch83CyberPunch83414,660 414,660 GamerScore
    28 Dec 2016 17 May 2018
    4 1 0
    Basically a story-related achievement for the Spartan Ops mode. Complete the following missions on any difficulty to unlock this achievement:

    -9-1: The Search for Halsey
    -9-2: Clean Up
    -9-3: Science Mountain
    -9-4: Revenge
    -9-5: The Hammer
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