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Dr. Riller is a Black Mesa scientist who presumably worked in Sector C, where he had a locker.

Behind the scenes

  • This scientist only appears as a name on a locker in the second chapter of Half-Life, Anomalous Materials.
  • "Riller" is a nod to Dave Riller, employee at Valve, placed there as an Easter egg.
  • The name also appears as raised letters in a tunnel during the On A Rail chapter of Half-Life.


List of appearances

  • Half-Life (First appearance) (Locker name only)

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