"Chill" theme from the SNES version of Dr. Mario.
"Don’t Cry, Jennifer" from Clock Tower, as featured in the VGJunk Spooky Halloween VGM Playlist.
I put together a YouTube playlist of spooky videogame music for Halloween, you can listen to it here!
"Haunted House" from CarnEvil, arcade.
"Desperate Fight" from Knights of the Round, SNES.