I've been using SNES9x GX, FCU Gx, and GBA GX for a while via USB HDD through HBC and just recently update them to their new versions. I tested a theory last night, played each emulator for like 10 mins with my wifi available and then tried again with it removed from the system menu and...
btw i feel this a good time to remind you guys that sea of thieves was made by rare, who also made DKC1-3 and DK64, alongside banjo kazooie and conker's bad fur day