If you are looking for specific mods that enhance the transformation experience or the HUD: Rey’s Mo' Super Transforms, Yo (RMSTY)
In the original Sonic 3 & Knuckles , transforming into Super Sonic was a diegetic secret. After collecting the seven Chaos Emeralds, the player had to intuitively double-jump at 50 rings. There was no prompt, no icon, no confirmation—only a sudden flash of gold and a change in music. This design relied on playground rumors and manual discovery, charming for 1994 but opaque for modern players. sonic 3 air mod transform button hud hot
4.4 Data Persistence and Compatibility
Feedback and Timing