Cheat Codes:
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Unlockables Achievements:
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Complete the following achievements to unlock Microsoft Gamerscore point
UnlockableHow to Unlock
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A Secret Stitched Together (25 points) – Gathered all of the research notesin Amgarra
Grim Reaper (50 points) – Defeated the Harvester on Hard orNightmare difficult
Reaper (25 points) – Defeated the Harveste