A critical part that is somewhat lost when running this in a terminal is how the mouse behaved on a real text mode screen. It was a yellow block that you moved with the mouse not a mouse pointer.

Anyone tested to run this on a high resolution Linux text mode with GPM?

It wasn't inherently yellow, it was the inverse of whatever it was on top of, but since the main window filling most of the screen was dark blue, it looked bright yellow most of the time.