There is only a limit if you are inputting each of your emulator configs from the GameExConfig. You can add as many as you like if you type them directly into the GameEx.ini file (This is in GameEx\Config\gameex.ini). I currenttly have about 50 setup. But this is due to wanting different regions roms separate from each other (Example one for Japanese Snes roms,one for U.S.A. snes roms) Any emulators added after 28 will not show on the advanced emulator config though. So if there are any amendments needed you will have to close down GameEx, change the .ini file and restart to see if your changes have worked. Lastly you may find after an update the order your emulators are listed in the .ini file may have moved (Normally pushed to the bottom, but sometimes put in a non-numerical way.) This dosent affect the order they are listed when using GameEx or the way they function. Hope that made sense. J.