https://www.youtube.com/watch?v=39JYengjS6E (Guilty Gear Isuka OST - Home Sweet Grave)
https://www.youtube.com/watch?v=9BM0gqdpUMw (Flower, Sun and Rain OST - Crescent blue moon mix / Music by Masafumi Takada)
https://www.youtube.com/watch?v=qDsDYCI3fyc (Shin Megami Tensei IV OST - Tokyo -)

exanima ost, raw game files extracted by yours truly
sunset sonata beridan: https://files.catbox.moe/2yx9p7.wav
oresum (the best one imo): https://files.catbox.moe/7f8slk.wav
term'd: https://files.catbox.moe/z60ktj.wav
battlements: https://files.catbox.moe/wzxpez.wav

some other games i think have good music: https://files.catbox.moe/obpqr8.png

https://youtu.be/Sti1nhnpsDk (16 - The Objective - R4 / Ridge Racer Type 4 / Direct Audio)
https://youtu.be/SINwBWh1h8Y (Void - 14/40 - Ace Combat 3 Original Soundtrack)
https://youtu.be/mfmpbTItmaE (Muramasa: The Demon Blade OST - Dim Twilight A)

https://www.youtube.com/watch?v=phtpTPeC8jw (Baroque Remake Original Soundtrack - 17 Voice From Abyss)
https://www.youtube.com/watch?v=hGQcFbioDgs (Barbie Super Sports - Ps1 Ost 8 - Green Pink CD)
https://www.youtube.com/watch?v=4JvUijy5aYk (Phantasy Star Online Episode III (Gamecube) [Track 25] Tower Of Caelum)
https://www.youtube.com/watch?v=2Th--M9UGNE (.hack//GAME MUSIC OST - ev10 (Phase #2 Innis)

OFF's OST has always been a favourite of mine
https://www.youtube.com/playlist?list=PLU4ktq2pWONtSYFFHnFZPFfSXMF5Rw0fn

https://www.youtube.com/watch?v=YmCj2_kCupk&list=PLfZA7Mb0ac46NKUNS2rxplmKevyt_cRa1 (Samorost 1 OST - Original 2003 Version)
https://www.youtube.com/watch?v=h7p40hKjbGY&list=PL9rkD4vFIAOBO5jQYUjcq85WiapEDN8d7 (Ever17 -the out of infinity-)