So I was debating making this a thread but I'm genuinely curious if anyone actually has a retail (not a bootleg) cartridge of Sonic Spinball that has different music at the title screen/game over screens. For those who don't know, when development on Sonic Spinball wrapped up the first "gold" ROM used the familiar Sonic 1/2 themes for it's Title screen and Game Over screens. It was discovered not long after at a wrap party that Sega didn't actually have the rights to use the music in any future game without Dream Come True's permission, and so another ROM had to be created in a short amount of time with new music by Howard Drossin. For the longest time, this ROM has existed in many ROM collections as either an (a1) dump or a "rev 00 with alternate music". No-intro decided to label this as (Beta 2) in their Mega Drive set. But as far as I know, no one was able to actually confirm if a physical retail copy ever had this version of the game. I can tell you right now that the dump that's currently in no-intro was altered, as part of the ROM's serial number (GN NK) isn't valid and doesn't exist in any other retail Mega Drive dump. I was able to confirm that this part of the serial number does appear on a few SNEAKERs (the scene group) releases, which were also hacked in the same manner. As part of the whole Sonic 2 prototype that was uncovered earlier, the same source provided the dump for this version of Spinball. If the timestamp hasn't been faked and is actually correct, the ROM with the alternate music was actually released/modified 10/13/1993, a whole month before the first retail release! So was this actually a prototype the entire time?