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Secret Agent

From Halopedia, the Halo wiki

Revision as of 13:43, March 14, 2017 by Spartabot (talk | contribs) (→‎top: replaced: {{Halo: The Master Chief Collection Achievements}} → {{Master Chief Collection Achievements}})

Secret Agent is an achievement in Halo: The Master Chief Collection. This achievement is obtained by finding the 6th clue in Halo 3: ODST.