Lots of them. Any of the settings that disable broken/malfunctioning toys and enable software compensation will screw with the emulator's head. The entire subsection that deals with credits and local currencies is problematic, although FS could just drop that whole section if it wanted. And then any setting that isn't actually implemented by the emulator will probably cause it to crash if that setting is messed with. I doubt they've implemented the code that does the individual lamp test on each table, for example.One of the reasons FS is considering, but not yet implemented, operator's menus is because they said giving access to them could cause the game to malfunction if certain adjustments were made. What adjustments would do that?