It is fun but crashes a lot and the Vive must be run in extended mode (pain in the ass to get working) and no motion controls yet. I believe there is a new, updated HL2 VR mod coming - I hope it fixes the issues and allows motion controls. Edit: It is the Synergy mod, found just by searching for it on the Steam store.

Go on the right to the login and make an account. Then on topics search for half life. Then you can search the results for the mod. Cs.rin.ru may look complicated but after a while it becomes easy to use and it’s the biggest tool for mods and of course the actual games. Good luck.
My guess is no at launch and super unlikely thereafter since co-op mods for single player games often have to alter so much of the game to work in the first place; then trying to layer another thing on top of that with the VR mod would probably break a lot. Even the Skyrim Together folks said they weren't going to support VR with that. This is How to Play Half-Life 2 in VR. Playing Half-Life 2 in VR is a little more complicated. A fully fleshed-out VR mod has seemingly been in the works forever, so it’s best not to hold Here are the Half-Life 2: VR System Requirements (Minimum) CPU: Intel i5-4590 / AND FX 8350 equivalent or greater. CPU SPEED: Info. RAM: 4 GB. VIDEO CARD: NVIDIA GeForce GTX 970 / AMD Radeon R9 290 equivalent or greater. DEDICATED VIDEO RAM: 4096 MB. PIXEL SHADER: 5.1.
Back in 2020, to the delight of many fans, Valve returned to the Half-Life franchise with Half-Life Alyx - a VR installment in the series set five years before the events of Half-Life 2. Half-Life
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can you play half life 2 in vr