Thriller

Thriller a multiplayer medal in Halo: Reach, awarded for infecting fifteen humans in a row as a Zombie without dying in the Infection game variant.

It is represented by a silver six-pointed star with a human skull on a purple background in the center.

Trivia

• This medal can only be unlocked in a game with 16 players, with one as the zombie. As such, it is impossible to gain in a matchmade game in Halo: The Master Chief Collection as the maximum number of players in a matchmade game is 12.
• It has replaced the Mmmm... Brains medal, as the hardest Infection medal.
• This medal is a reference to Michael Jackson's song "Thriller".