Sonic 3 Complete Customizer -

“ECHOES is tricky,” Mira warned. “It records player choices. It remembers more than you do.”

The is a desktop application (Windows/Mac/Linux) that reads and patches a Sonic 3 Complete ROM file. It provides a graphical interface for adjusting gameplay mechanics, visual settings, audio options, and level-specific behaviors — all without hex editing. sonic 3 complete customizer

You can tweak how the game feels to match different classic titles: : Toggle ability styles from Sonic 1, Sonic 2, or (including the Peel-out). Difficulty Toggles : Enable "Casual Mode" (infinite lives, no ring loss) or style Easy/Normal modes. Quality of Life “ECHOES is tricky,” Mira warned