I'm also having trouble trying to load. I'm using an sd2iec with fastload on a C64c. I'll use vice if I have to, but I really don't want to. I don't know what to do with the .crt file. I've only ever used .d64 files.
Okey guys, i figured it out. When the game first loads, the first page for selecting your language has the controller options underneath. F1 to toggle from joystick to SNES controller. Don't know how i missed this.