Just checked RMN and apparently it's still down. Chronicles Meteorfall isn't listed in the archive because it didn't have a download since the game wasn't ready for release.
TLDR Meteo Chronicles is a tech demo for Chronicles Meteorfall released in 2021 and did not meet my quality standards, so I'm remaking the game from the ground up as Chronicles Meteorfall.
Meteo Chronicles is highly incomplete, unfinished, and unstable so I don't recommend you play it. You can't currently play the current, up to date version of the game, Chronicles Meteorfall, because it is not out yet. I haven't even finished the demo yet, which should definitely be out by the end of February.
I likely won't be re-releasing the builds of Meteo Chronicles and Meteo Chronicles R (the initial failed remaster I lost the files to) anytime soon, or ever really. They're no longer canon and don't exist in the timeline anymore. They're both going to be replaced by Chronicles Meteorfall, the true version of the game, anyways, so there's no point in re-releasing the old, highly inferior versions. Plus it could interfere with future sales of Chronicles Meteorfall too as well as it's branding. It's like base Persona 5 vs Persona 5 Royal, but FAR more extreme. Who wants to play base Persona 5 when Persona 5 Royal exists? Honestly, a more apt comparison with Meteo Chronicles vs Chronicles Meteorfall would be that it's like comparing Sonic 06 to the fan remake Project 06. Why play the terrible original when you could play the remake that's superior in literally every way?