I suspect the only technical alternative would be the extreme of "this is not your system at all" mode, and necessarily involve dedicated hardware, where you ca

I suspect the only technical alternative would be the extreme of "this is not your system at all" mode, and necessarily involve dedicated hardware, where you can boot your computer as a "game console". I also suspect this would mean that mode would necessarily be the "primary" mode [1], PS2 style. [1] https://en.wikipedia.org/wiki/Linux_for_PlayStation_2 https://en.wikipedia.org/wiki/Linux_for_PlayStation_2