Sonic-knuckles-wsonic3.bin !full! Link

: To access the level select in this combined version, go to a swinging vine in Angel Island Zone and press Left, Left, Left, Right, Right, Right, Up, Up, Up Debug Mode codes for this version?

No. Despite the popular myth, Sega has re-released Sonic 3 & Knuckles multiple times: sonic-knuckles-wsonic3.bin

The file is the combined ROM for Sonic the Hedgehog 3 : To access the level select in this