You can finish Magical Mirror in 2–3 hours. Even with multiple endings (yes, there are several), it’s short. Critics at the time slammed it for being more of a tech demo than a full game. And they weren’t entirely wrong.
Magical Mirror, pleased with Mickey and Minnie's love for each other, decides to grant Rom's wish. However, Rom's wish comes with an unexpected twist: Ariel is found, but she is not who Rom expected. Ariel is actually a kind and gentle soul who has been searching for Rom, but their love was not meant to be. DISNEY-S MAGICAL MIRROR STARRING MICKEY MOUSE ROM
If you have decided to seek out this ROM, here is the technical workflow for a smooth experience. You can finish Magical Mirror in 2–3 hours