Hitting '<' printed 'There is no way to leave this level'. Hitting 'z' display a "Resting" window, but it would not disappear, though I could close it. The game did not seem to be passing time, although it did keep printing the date. I could activate/deactivate effects (RoR, for instance, popped up the icon with "41" counter).
In the end, I had to "kill -9" it, and restart the level from the beginning (but Og27 died this time
