Makai Toushi Sa-Ga (Japan) (Rev A) is a revision of the original Makai Toushi Sa-Ga Game Boy title. While maintaining the core gameplay and story elements, this revision likely addresses bugs, balance issues, or other minor flaws found in the initial release.  The specific changes between the original and revision A are often undocumented, making direct comparison difficult without playing both versions.  These revisions were common practice for various games in the era to improve overall quality and performance.  The developer was still Square.

Makai Toushi Sa-Ga (Japan) (Rev A)

Magnetic Soccer (Europe)