The Hidden PC-8801 version of Yuzo Koshiro's Actraiser Soundtrack (PC-88 Paradise) - Before the SNES
The Scheme - Awesome 8-bit metroidvania with Music by Yuzo Koshiro! (PC-88 Paradise) not Sega or NES
The Story of Melroon (PC-88 Paradise) A unique 8bit adventure from Japan that should've been on NES!