From Video Game Music Preservation Foundation Wiki
Mad Forest is a track that first appeared in Akumajou Densetsu (FC). It played during the forest level and it has since been remixed in many Castlevania games. It has also been considered to be the theme of Sypha Belnades.
Akumajou Densetsu (FC)
Castlevania III: Dracula's Curse (NES)
Castlevania: Judgment (WII)