I assume you are referring to a physical copy of the Sega CD. As long as you still own a Sega CD you can play physical copies of games. Recently PlayStation closed down their online service for PS3 so you cannot access any digital games you may own even if you still have a PS3.
I assume you are referring to a physical copy of the Sega CD. As long as you still own a Sega CD you can play physical copies of games. Recently PlayStation closed down their online service for PS3 so you cannot access any digital games you may own even if you still have a PS3.
And there’s no other way to play those games. They’re pretty much gone forever alongside the money spent to purchase them.