Zork I, II, and III on an Apple II+ (48K and no lower case key, woo-hoo!) rocked.
InfoCom!
"Put the string in the brick" was the silliest command in all three Zorks. I ended up sliding down the aquaducts about 300 times.
I bought those games as soon as they came out on the Osborne I which was before the Apple.
I the originial Zork better that I had played a few years before. Unfortunately, it could not be put on a 5.25" floppy. I had played it on a DEC20. (It had been written for a DEC10 at MIT.)
I played Zork on a TRS-80 Model III.
I used to loathe hearing the disk spin, because you knew the chip was hitting the fan then...