I have added more albums such as the Sonic CD audio as well as some from ocremix as listed below,
25YEARLEGEND – A Legend of Zelda Indie Game Composer Tribute
Castlevania – Sonata of the Damned
Sonic 3 and Knuckles – Project Chaos
Sonic the Hedgehog 2: Hedgehog Heaven
Vampire Variations: A Musical Tribute to Castlevania
I hope you enjoy, more is on the way!