Comment by cmdr2

It runs locally if you download the "m" and "l" files alongside it (for maps and models), and run it on a localhost server (to fix the CORS errors).

curl "https://phoboslab.org/q1k3/index.html" > index.html

curl "https://phoboslab.org/q1k3/l" > l

curl "https://phoboslab.org/q1k3/m" > m

python -m http.server

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I then zipped it up, and converted that zip file to 7 QR codes, so technically yes, we can fit Quake on a few QR codes.