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Lambda Bunker

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For other uses, see Lambda (disambiguation).

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Lambda Bunker

Dave Riller



Game mode(s)
  • Deathmatch
  • Teamplay


Lambda Bunker is a map in the multiplayer mode of Half-Life. It was included with the game on release.


Based on a level from "Forget About Freeman!" (map c3a1) from Half-Life.

Behind the scenes[edit]

  • The name of the map is hldm5 in the leaked Half-Life: Source map pack (hl-wc-maps). This may be the original title of the map.
  • Due to the fact that the map lambda_bunker was made from c3a1, there is actually a trigger_changelevel as well as the corresponding landmark entities allowing one to warp to the map c3a1b like in the original c3a1[1]. This is the only instance among the deathmatch maps.


  1. This is made public by hlstuff and the SourceRuns speedrun team in their attempt of utilizing save-warp technique to speedrun the game. Complete map transition plot can be found on imgur.