Yes, detecting the QR code by eye can be really difficult like in this setting at QRocodile: https://qrocodile.io/en/?preset=morseCode&halo=background&step=patt

Yes, detecting the QR code by eye can be really difficult like in this setting at QRocodile: https://qrocodile.io/en/?preset=morseCode&halo=background&step=pattern https://qrocodile.io/en/?preset=morseCode&halo=background&st... Hiding the code is maybe not good for getting scans but a nice idea for some kind games... can imagine this being a part of an "Escape Room" game :D