"Please note - it will use about 5-6 GB of ram and take a while to load since it's a very large circuit file." I love it. So absurd. 200 years from now people will be running Doom on artificial black holes or programmable matter and the readmes will be pretty much the same.
Meanwhile, you can run the Z-Machine, at least up to v3 games (most of Infocom games) under a PostScript interpreter like PostScript. So, it might run under 1GB or ram and less.
1GB is probably more than you'd need to store all the Infocom releases!