Rules: just pick 1 and explain why.
I’ve been playing since the NES and despite being from a low income family I had the luck of being able to play and own many consoles over the 3 decades of my life, plus some pc.
If you ask me right now? Resident Evil 4 (2005).
A before and after in gaming, to this day still extremely fun to play even for casuals but 20 years ago it was THE masterpiece. And everyone took notice of it, everyone played it, even players that didn’t cared about resident evil. The gameplay was so good that it got photocopied by everyone right after in the action genre.
Arguably the last big innovator in videogames minus Minecraft and… PUBG (Fortnite did it better I know).
Try to NOT pick your favourite game, that’s a different thing.
FFVII Remake and Rebirth I think are really good games overall. The [nearly] completely different combat system from the original is fresh and engaging.
The story starts to deviate from the original near the end of Remake, and continues into Rebirth. I also think this is a welcome change (as long as it doesn’t stray too far from the original). But for everyone who never made it through the original, I imagine it can feel slow, confusing, and lacking, so I would actually encourage those players (unless you really hate spoilers) to watch a story synopsis youtube video of the original Final Fantasy VII. It will help.
Oh, and for the most part the new games still nail the music. Love love love it.