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Alien Research Lab

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Cut.png The contents of this article have been cut.

The subject matter of this article contains in-development information that was cut from the final version of an official and/or canonical source and appears in no other canonical source. It may also contain incomplete information since not all cut material is publicly known.

Alpha c2a4b 03.jpg
Alien Research Lab
Game information

Dario Casali[a]


  • c2a4
  • c2a4a
  • c2a4b
  • c2a4c
Previous chapter

The Security Complex

Next chapter

Communications Center

The Alien Research Lab[1] is a location and chapter cut from Half-Life. A playable version can be found in the Half-Life Alpha.


The Alien Research Lab is a large research complex featuring three labs to hold and study alien lifeforms. The labs are color-coded: LAB1 is orange, LAB2 is red, and LAB3 is blue. The player was to track down two scientists and lead them back to the entrance to LAB3 where he can escape to the surface through the emergency exit.[1]

From the soundtrack, Hard Technology Rock plays in c2a4a and Diabolical Adrenaline Guitar plays in c2a4b and c2a4c on continuous loop throughout the maps.


The chapter was cut following the game's significant reworking in late 1997. The location and chapter eventually evolved into the Advanced Biological Research Lab in Questionable Ethics which share the same general premise. While none of the level architecture was reused, the concept of Alien Grunts being stored in containment chambers survived into the final game.





  1. The demo (.dem) files (previously recorded footage of the game) in Half-Life Alpha appears to be recorded by the creators of the maps. c2a4.dem was recorded by number_6, which is the alias of Dario Casali.


  1. 1.0 1.1 Half-Life Alpha Walkthrough (WalkThru.doc) (September 4, 1997)

External links[edit]