Sonic 3 Rsdk -

The developers of the RSDK port utilized a unique approach:

What made these ports revolutionary was the "Retro Engine." It did not emulate the original Genesis hardware. Instead, it reverse-engineered the game logic and assets, running them natively on modern devices. This allowed for: Sonic 3 Rsdk

In 2019, a prototype of the Sonic 3 Retro Engine port was leaked online. It was essentially the proof-of-concept used to pitch the game to Sega. While incomplete (missing some sound effects and widescreen optimizations), it confirmed that a functional Sonic 3 .rsdk build existed internally. The developers of the RSDK port utilized a