Steam Workshop::Half Life 2 HD/Half Life Alyx addons.

HL:A Vanilla Combine Soldiers [Half-Life 2] [Mods]

Steam Workshop::Immersive Half-Life 2 Campaign

Half-Life: Alyx - Wikipedia

All Half-Life Games Are Free to Play Until March

Half Life Alyx : Incursion Workshop Mod

Half-Life: Alyx Mods - HL2 in Source 2 and More!

I've played Half-Life 2: Episode 1 in Gmod and it was really fun. : r/ HalfLife

Valve Is Reportedly Working on a Half-Life Game for Steam Deck

Steam Workshop::Half Life 2 x Left 4 dead 2

Half-Life: Alyx Workshop Tools - Valve Developer Community

Alyx v3.7 Dark and Dirty addon - Half-Life 2 - ModDB

Steam Workshop::Half-Life 2 Remaster v0.9 with coop