Teddy Boy Blues is a Sega Master System title released in Japan. Details about the game's genre and gameplay are largely unknown, but it likely involves a protagonist known as a Teddy Boy in the Japanese context. This could indicate a story-based game with elements of exploration or adventure, or it could be a completely different genre. More information is required to properly describe this Japan-exclusive release.  The developer remains currently unconfirmed.

Teddy Boy Blues (Japan)

Tecmo World Cup '92 (Europe) (Beta)