Replace it with a 9 and it was back to VG's.

Replace it with an 8, and what we experienced was there instead. Use 7 at the start for example, and it would have the same effect as the code VG gave us. With VG's code, there was a loud 'screwy' sound before things go quiet, but with the second code that 'intro' sounded much cleaner and many of the effects were replaced with a 'fire' sound effect.Īfter altering the code for an hour or so, we found out that the same two types of quality versions of the tune were playing, in a pattern. Using code and playing the Sound Test gave us one strange music track, but using the slightly tweaked code (0CLA - 9TA1) and taking the same steps seemed to play the same strange music track. Thanks to the efforts of Black, it's possible that what we're hearing whenever we go into specific tunes on the Sound Test or enter stages like Casino Night Zone are either Beta versions of the level themes or unused tracks for canned stages like Wood Zone. Seems like we found something, although it's open to interpretation as to what it actually is. From there, we changed various digits - 0CLA - 9TA1, and so on - and did a painstaking trial-and-error process to see if we could discover anything via the Sound Test screen. We started with a code that was provided to us by SSMB user 9CLA - 9TA1. Using a final release Sonic the Hedgehog 2 cartridge and a Game Genie cheat cart, we trialled a number of codes to see what we could find. But what if there were some remnants of that prototype within the cartridge that ended up on store shelves? Well, we did some digging using Game Genie codes and found some interesting things.

We all know about the Sonic 2 Beta, the pre-release version of the 1992 classic that never saw public release, that contains a whole bunch of cancelled or prototype elements and stages.

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