(The final Sonic 3 actually had 14 save images 6 for S3 only, 8 for Sonic 3&K.) There are also only 6 save files as opposed to 8 in Sonic 3 & Knuckles, and lives and continues are not saved or shown. You can play a saved game past Launch Base Zone, but when you exit the game, the save will be indicated as 'Clear', and only Zones 1 through 6 can be selected. The save format is identical to the one found in Sonic 3.No glowing Special Stage rings are present in the S&K zones.The ending sequences have yet to be implemented.Due to Hyper Sonic not being in the game yet, 'S' monitors will only transform you into Super Sonic, and will still play the incorrect sound effect like in Sonic 3.Likewise, Hyper Sonic is not in the game yet. Tails and Knuckles have incomplete Super forms, since the art has yet to be implemented, thus Knuckles cannot turn Super by normal means.Some of Super Sonic's sprites are garbled when interacting with certain objects in the S&K zones.Knuckles is selectable in 1-Player mode.Note: S3 = Sonic the Hedgehog 3, S&K = Sonic & Knuckles You can also use patch codes FFFFE2:0001 and FFFFFA:0001 to enable debug mode. 02, 04, 06, 08 - Get all the Chaos Emeralds.In the Sound Test, you can enter the following combinations: Level Select is enabled by default, so you can just go down to Sound Test at the title screen.

Sonic 3 super sonic theme