Where to start? (I'm a Backrooms noob).

Hi, everybody! I've always been a mild lurker when it comes to The Backrooms. I've watched a few things on YouTube, I've looked at some descriptions and reviews of games on Steam... but it always kind of ends there. I want to dive into all the different games that involve The Backrooms concept, but I never know where to start.

Is there some definitive order of games that somebody should play? Any games to avoid? Are there pieces of lore that are essential to understanding The Backrooms that you'd recommend?

Basically, if you knew a Backrooms noobie (like me), where would you tell them to start?