Batman: Revenge of the Joker (SNES)

Unreleased Batman: Revenge of the Joker is an unreleased remake of Batman: Return of the Joker.

Unused Music
One unused song and two jingles from the NES original are programmed into this version, but are never actually used. Pro Action Replay codes will play any song as the first stage music, where "??" is the song ID.

Unused Song
ID

Used in the title intro in the original NES game. However, this version lacks any kind of intro.

Unused Jingle 1
ID

Used in the original before going to the blimp stage (Stage 1-2 in the original, Stage 2 in this version). In this version, the game keeps playing the regular level tune instead.

Unused Jingle 2
ID

Used as the Stage Clear jingle in the original game, but this version uses the boss introduction jingle from the NES game instead.