Clues point to Half-Life: Alyx being more than than just a prequel

Wondering whether Half-Life: Alyx will only deal with events that happened before Half-Life 2? There are signs in the new trailer that point to it not just being a prequel.

Half-Life: Alyx — Review for PC VR - Millenium

Alyx Is a Prequel Because Half-Life 3 Couldn't Have Targeted a Small Audience, Says Valve

Future of the Half-Life series - Combine OverWiki, the original Half-Life wiki and Portal wiki

Diving into 'Half-Life: Alyx's Jaw-dropping Ending with the Game's Writers

Rumour: Half-Life: Alyx Allegedly Locked for PSVR2

Half-Life: Alyx: What we know about Valve's upcoming full-length VR game

The Final Hours of Half-Life 2 - GameSpot

Why do some people prefer Half Life to HalfLife 2? - Quora

Half-Life Alyx: is Valve's rumoured VR game the long-awaited third main title?

13 Years Later, Does Anybody Care About Half-Life?

Half-Life 2 Rock Paper Shotgun

Valve On Why Half-Life: Alyx Needed To Be In VR : r/Games