Are Blue Shift and Opposing Force “canon”?

I know that the two of them are independently developed from Half-Life itself, and based on events that took place during Half-Life, but are the two games considered part of the official Half-Life Canon, or has Valve not formally adopted them as part of the backstory?


There is no official Half-Life canon. Valve have not and do not intend to define what is and what isn’t canon. Series’ writer Marc Laidlaw stated that they do not “get involved in issues of canonicity”, that “canon itself is non-canon”, and that there is “no official stance”.


Source : Link , Question Author : Zibbobz , Answer Author : Studoku

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