The Emerald Mine CD for the CD32 is not good. You can decide only every 4th level for playing.
My dream is a Compilation with all Emeralds on it. It mustn't be bootable. I think., that isn't possible, because you must save your Highscores and the level you're staying to try it again and again.
In my Youth 1st i got an Commodore C16 and played Rockford and Rockford 2. Then i get an Commodore 64 II and played Boulder Dash. In my Village i made an Boulder Dash with my two friends with over 100 Levels. But it gets lost