Headhunter
From Halopedia, the Halo wiki
Headhunter
Headhunter is an achievement in Halo: Combat Evolved Anniversary and Halo: The Master Chief Collection. It is awarded for claiming all skulls in the Halo: Combat Evolved Anniversary campaign.[1] In the original game it is represented by three human skulls over a gold five-pointed star; in The Master Chief Collection it is represented by concept art of an unrealized update of Hang 'Em High.
The achievement is worth 50 Gamerpoints in the original game; in The Master Chief Collection it is only worth 20 points.
Trivia
The name of the achievement is a reference to the Halo: Reach multiplayer game variant Headhunter.
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