Some emulators for the Sega Genesis / Mega Drive can directly load the merged ROM, either as a single Sonic_Knuckles_wSonic3.bin file or by emulating the lock‑on process with separate ROMs. For emulators like RetroArch or Genesis Plus GX, using the merged file simplifies playback, as you don’t have to worry about the lock‑on procedure.
To understand why this ROM exists digitally, we have to look back at the physical hardware of 1994. sonic-knuckles-wsonic3.bin
If you are looking to utilize or explore this specific ROM file, let me know: Some emulators for the Sega Genesis / Mega
In the 1990s, Sega released the Sonic & Knuckles cartridge with a unique "Lock-On" technology. This allowed players to physically plug Sonic 3 into the top of the Sonic & Knuckles cartridge. If you are looking to utilize or explore
The standalone Sonic & Knuckles didn't have a save battery; locking it onto Sonic 3 gave the second half of the game a save system. 4. Legacy in the Modding Scene