I thought some of the HECnet crowd might find this interesting
https://groups.google.com/g/alt.sys.pdp10/c/WnsETCDyTmc
"TOPS-20 Boot Camp for VMS Users 05-Mar-2022" (that's this Saturday), and
they'll even give you an account on a real (not simulated!) 36 bit machine,
an XKL Toad.
Bob