: Go to the Options menu and then Input Configuration . You must map a key to Custom 1 or Custom 2 , as these are the default buttons for the transformation. Why You Need This Mod

: In some advanced versions, like the "Characters Go Super Then Hyper" mod, it allows you to toggle specifically between Super and Hyper forms rather than just automatically upgrading. How to Install the Mod

To get the Transform Button HUD working on your Sonic 3 A.I.R. installation, follow these steps: