Skip the tedious task of hunting down Special Stages and Super Emeralds. Use Debug Mode to place an "S" Monitor (Super Monitor) on the ground. Jump on it to instantly transform into Super or Hyper Sonic, complete with flashing colors and screen-clearing double jumps. Troubleshooting Common Issues

Controls & Usage (examples)

It is important to clarify the term "free" in this context. Sonic 3C Delta is an unofficial dump of a development cartridge. It falls into a legal grey area known as . While companies like Sega generally tolerate the distribution of prototypes for preservation purposes, they are technically still copyrighted software.

(Representing the launch date of Sonic & Knuckles: October 18, 1994)

The gold standard for prototype preservation is . They are responsible for the acquisition and release of the "Sonic 3 & Knuckles" prototypes.

is a prominent fan-made ROM hack that combines Sonic 1 , Sonic 2 , Sonic 3 , and Sonic & Knuckles into one massive, continuous game. It also incorporates content from older prototype builds like Sonic 3C (Sonic 3 Complete/Prototype). Because it is a community-driven ROM hack, accessing and playing it with its full suite of built-in cheats is . 🔑 How to Unlock Debug Mode

Press Down on the d-pad twice past the main game options to find the newly revealed "Sound Test" or "Level Select" option and press Start.

Whether you want a list of for hidden features

Once level select is available, return to the sound test or use the sound test on the newly opened stage select screen to enter the specific unlock sequence: 01, 09, 09, 02, 01, 01, 02, 04 You will hear another confirmation sound. 🕹️ How to Use Debug Mode Controls