Which 'Half-Life' games to play before 'Half-Life: Alyx

With "Half-Life: Alyx" set for 2020, four previous titles remain essential: "Half-Life", "Half-Life 2" and "Half Life: Episode One and Two".

Half-Life Collection is free-to-play until the launch of Half-Life: Alyx (Updated)

Half-Life: What You Should Know Before Alyx

I made a needlessly complex Half-Life timeline that is absolutely absurd : r/HalfLife

Things to Know Before Starting - Half-Life: Alyx Guide - IGN

Perfected all Half-Life games : r/HalfLife

Half-Life Alyx review: A love letter to Half-Life

About to do a HL universe playthrough, and no website seems to have a clear answer, but do I have all of the games needed? (no HDTF jokes) : r/HalfLife

Half-Life Games Go Free-To-Play Until Half-Life: Alyx Launches - Gameranx

Half-Life: Alyx Review - Does It Live Up to the Hype? – GND-Tech

Half-Life: Alyx' Shows VR's Power, but Might Not Win Converts

Half-Life 2' VR Mod Launches Today on Steam, Bringing Free VR Support to Valve's Classic Adventure