It's throwing some errors. Here's one:
Uncaught TypeError: Cannot read properties of null (reading 'lektion') (line 556:93185)
Ort: (anonym) 556:93185 < at Array.forEach (<anonymous>) < kartePassen 556:92758
Zustand: Runde 1, Phase spieler, Ansicht gegner, Modus bewegen, Auswahl -, Gegner am Zug -, Mission -, Tutorial no, Online no, Ende no
Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)
Great concept btw, keep at it