[WillAdams]

Unfortunately, not really an option since it's still 32-bit:

https://www.supercard.us/purchase.html

>SuperCard remains a 32-bit application and will continue to be for the foreseeable future. This means it is not compatible with Catalina (macOS 10.15) or later versions of macOS.

[jhbadger]

Same with HyperStudio, which is a shame.

[surfingdino]

That's a shame.