Half-Life Alyx uses the same flickering light code as Quake, from 1996

Quake

Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.

Half-Life Alyx, Valve's groundbreaking 2020 shooter, is a technological wonder - looking at it, it's hard not to marvel at just how much FPS games have changed. From Wolfenstein to Doom, the first Half-Life to Halo, over the last 30 plus years, we've seen myriad PC classics come and go. Nevertheless, their spirits live on. Like a baby born with their great-grandfather's eyes, it turns out Half-Life Alyx has some specific genetic code in common with its decades old ancestor - the first Quake from 1996. This is an eagle-eyed spot.

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