You can run Half Life 2 in VR through Garry's Mod : r/virtualreality
Steam Workshop::WORKING VR IN GMOD! [V3]
We Went To Baldi's School in VR and It Was Terrifying in Gmod VR! (Garry's Mod Multiplayer Gameplay) - YouTube in 2021 | Gameplay, Rescue bots, Terrified
Future VR Garry's mod inspired sandbox game (PhyxBox Preview) : r/ValveIndex
Virtual Reality in Garry's Mod 2? | Rocky Bytes
Half Life 2 VR (Modded with Garrys Mod) : r/virtualreality