Re: Sega CD ROMs (and others) - "(RE)" tag
Posted by tealolol on .
I see. Thank you much Danielle!
They are manufacturing revision numbers physically printed on the discs themselves. What they signify is generally unknown to the public, and when there are differences, they tend to be extremely minor. The differences between retail versions of Sonic CD differ only on Track 13, which is an audio track, and from what I can tell, these differences are very small and probably not noticeable during gameplay.