Students of first-person shooter history will likely know that the technology Half-Life runs on—GoldSrc—is a heavily modified version of the Quake engine. It's one of many, many branches of id-tech's ancient technological tree. Indeed, you'll still find tiny fragments of Quake code in Valve's modern successor to GoldSrc—Source 2.
Now, nearly three decades on from Half-Life's release, a modder has decided to put Quake back into Half-Life. Or maybe it's Half-Life back into Quake? Honestly, it's hard to tell.
