Standard prototype-style cheats are often available, such as Level Select and Debug Mode , which can be accessed through specific sound test codes (typically 4, 1, 2, 6). Project Context

In retail versions, transforming into Super Sonic would cut off the current level music and play the invincibility jingle. In Delta 11, the code now checks for the "Hyper/Super" flag before playing the jingle. This results in a seamless audio transition, preserving the level’s BGM.

: Restoring the level sequence as it appeared in early development, placing Flying Battery Zone back between Carnival Night and Ice Cap.

For players interested in experiencing this "what if" scenario, the v1.1 Update

(If you want, I can expand this into a longer feature article, include download/installation steps, or write a review-style piece.)

But if you are a preservationist, a speedrunner looking for a stable platform, or a programmer studying 68000 assembly, is a fascinating artifact. It represents the end of the road for the classic Genesis engine—the most polished, stable, and "bug-free" version of Sonic’s 16-bit trilogy.