Spire Evolution Vol.1Reveal Spire, Soundsets
Traditionally, the most reliable source for this file was the collection on Steam. While Sega has delisted the standalone Sonic 3 & Knuckles from the Steam store, those who already own the collection can still find it in their local files.
: Ensure the file is uncompressed. If it is inside a .zip or .7z file, you must extract the .bin file first. Fan Game - Sonic 3 A.I.R. | Page 2
Because it contains copyrighted game code, it is generally not legal to download this file from the internet; users are expected to use the copy they purchased via Steam .
In most user-facing distributions, the wsonic3.bin file is provided alongside the patched ROM.
The software looks for the file to extract original game assets (graphics, level data) to build the widescreen, 60FPS experience.
