Certain glitches used in speedruns are only possible on specific older engine builds.
Enthusiasts hosting "period-accurate" LAN parties use 1.1.0.8 to ensure compatibility with older hardware and mods without needing an internet connection. File: Half-Life.v1.1.0.8.zip ...
While the modern Steam version of Half-Life is the most accessible way to play, version 1.1.0.8 remains the "purest" version of the game that defined a generation of PC gaming. Certain glitches used in speedruns are only possible
