I know y'all know about the Playstation, so I'm going to kick the thread off with some of my favorite games on the system.
Metal Gear Solid

Everyone knows Metal Gear Solid. It's #10 on the top selling Playstation games list (on wikipedia). What I want to talk about is Integral, a (once) Japanese exclusive rerelease. This version has two very interesting features that are great for veterans looking for an interesting replay. Both of these are available once you clear the game once on the Integral save file.
The first of these is First Person Mode. In this mode, as you might have guessed, you can play the entire game in first person. You can toggle between first person and the regular camera in game in cases where you might need to, but I think it's fun to stay in first person for long as possible.
The second special mode is Arrange Mode. This mode remixes guard and item layouts and is perfect for someone like me who wants to play the game again and disengage auto pilot. Check it out when you get the chance, it really breathes new life into everything.
King's Field

King's Field is the first video game release by From Software. It's also the first RPG on the Playstation. It's where the mind boggling effects skeletons are from. You've seen those guys, right?
King's Field is slow, methodical, ugly, and weird. It's everything I want in a video game, and I'm sure I'm not alone in that. It requires patience, thoughtfulness, attention, notes. The combat is sluggish and deliberate. The exploration is beautiful and maddening. Please don't look up a guide or a map if you can avoid it. The game is designed surprisingly well for self discovery.
My first time playing was during the early work-from-home era in 2020. I worked at a call center and the days were fuckin' slow. We were often waiting a full hour between calls, so I booted up King's Field. I spent the first few hours in the smallest area of the map, not realizing I was going in circles. I thought I was lost deep in a maze of walls that all looked the exact same, but really I had just been walking in circles around the same few turns. Once I realized that, I was in love. I hope you can find space in your heart for it too.
Tail Concerto

You're on a board made by retro game loving furries. You've heard of this game. But on the insane off chance that you haven't, Tail Concerto is a retro game about furries.
You play as Officer Waffle, a cop in a mech called in on his day off to stop kittens from exploding warehouses. From there, it evolves into a world trekking adventure involving an ancient weapon of terror.
This is the first game by CyberConnect2 of .hack// and Naruto fighting game fame. They're a dev team full of furries who lately have been making the series about shooting furry children out of an eldritch tank cannon. Those games, the Fuga games, are incredibly sad, but Tail Concerto (which shares the same universe as Fuga, the Little Tail Bronx universe) is very silly and funny and cute. If you haven't played it, you need to. If you don't you might have your retro gamer furry card revoked. I don't make the rules.
Those are my recommendations for now. I'll almost certainly return with more. I hope you can keep up.