Sonic 3 Complete Customizer -

: Add a connecting cutscene showing the Death Egg falling between Launch Base Mushroom Hill Character Intros

or change transformation button combinations (e.g., A+B+C together). Choose Visuals & Sprites Swap character sprites to match their appearances in Change the color of Knuckles (e.g., pink vs. red). Switch between English and Japanese region graphics. Music Preferences : Choose between the final retail soundtrack or the prototype music tracks for specific zones. Generate & Apply : The customizer will output an IPS or xdelta patch . You must apply this patch to a clean Sonic 3 & Knuckles ROM (usually around 4,096 KB in format) using a patching tool. Key Customization Features sonic 3 complete customizer

As of 2025, the S3C Customizer is considered "feature complete." However, the open-source nature of the project means that custom forks exist. Some developers have added "Randomizer" modes, "Sprite Swaps" (play as Amy or Ray), and "Level Shufflers" directly into the Customizer framework. : Add a connecting cutscene showing the Death

: Often hosted on community sites, allowing for the generation of a custom .bin file after selecting desired options. Switch between English and Japanese region graphics

The infamous "Michael Jackson" music debacle meant that Carnival Night , Ice Cap , and Launch Base zones had different songs depending on your cartridge revision.