Ah the 80s, when software houses just ripped off each other’s ideas, gave them a different name, and nobody cared about copyright
. Also, when copying tapes or floppy disks was trivially easy.
I had most of the ones you mentioned, though I didn’t buy most of them...
I absolutely loved Elite and spent hours on it.
I set up a BBC Emulator on my Mac with advice from the late lamented CF member Dilli, but these days of course it’s all gone online.