Go to Options > Input Settings . Locate the option for the "Extra" or "Special" action button and map it to your preferred gamepad button. Popular Complementary Mods to Enhance the UI Mod Category Recommended Choices Primary Benefit HUD Restructuring Mania Styled Sonic 2 HUD Replaces outdated icons with crisp, modern layout lines. Mechanic Overhauls Better Super Forms / Overhaul Mods
: Place the extracted mod folder into the directory that just opened. sonic 3 air mod transform button hud
: Adds a specific icon to the screen's Heads-Up Display (HUD) that lights up or appears only when the player has the required 50 rings and Chaos Emeralds. Go to Options > Input Settings
: By separating the "Jump" and "Transform" actions, you can use Sonic's Insta-Shield or double-jump abilities without forcing a Super transformation. Mechanic Overhauls Better Super Forms / Overhaul Mods
Visit verified community hubs like GameBanana and search for "Sonic 3 AIR HUD mod" or "Transform Indicator". Download the provided .zip or .bin mod file. Open the Mods Folder:
Position the indicator right next to the ring counter, in the bottom corners, or floating just above the character sprite.