
I have tried various approaches to decode the signal, even the image file itself seems to give me no indication of the solution. Do you have any hints?

Ah, thanks.eulerscheZahl wrote:map
Blue Skies, Green Grass -> Duke Box -> Childish -> Communication of the Past
Duke Box was pretty cool. I can give you a hint if you want.eulerscheZahl wrote:I'm stuck at the Dukebox