In the console i have syntax error in teh visual_logic.js
I tested again some things and I think i found the problem: I have some puzzles in the init-section: A custom preloader and custom annotations. I override the css-styles of .v3d-simple-preloader-bar with new color and make some changes to the .v3d-annotation.
If i disable these settings it work
Maybe i have to put these changes right into the css-file. It seems with puzzles IE11 will wont play it.