Sonic Mania, in old-school Genesis fashion, features a secret Debug Mode and Level Select that players can enter into whenever they want from the title screen. If you’re not familiar, Debug Modes ...

Once you get all the medals from the Bonus Stages, you'll unlock Blue Spheres in the Extras menu, where you can play all 51 Blue Sphere Stages. When you enter Press Garden Act 1, look for the first ...