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The Kingpin[1][2] is an alien enemy cut from Half-Life. While it lacked convincing AI and gameplay goals, it was scripted nevertheless. It can be found in the game files.


Twice the height of an average person, it was to have a massive brain filling its entire body, with four eyestalks spaced evenly around it. An early version was to walk on three chitinous legs with a clicking sound; a later version traded the rear leg for a thick, worm-like "tail".[1] It was to be found at least on Xen, in some caves.[3]

Behavior and skills[]

Its psionic attacks and psionic defenses would have made it immune to missile weapons, although this is unconfirmed.


  • Its psionic attacks, originally to be used for the Prospero main protagonist, were probably recycled for the Combine Advisor, also both sharing the worm-like design and the two front legs. The Kingpin also shares some features with the Alien Combine Soldier, another cut enemy.
  • It appears that Ted Backman reused some of the Kingpin's features for his Alien Fauna, cut from Half-Life 2.


List of appearances[]


  1. 1.0 1.1 1.2 Half-Life 2: Raising the Bar
  2. Half-Life game files
  3. Half-Life instruction manual