It'd be impossible to do that on the honour system. It would take an absurd amount of coordination to avoid ever doing it in a game like SMB, and the effects wo

It'd be impossible to do that on the honour system. It would take an absurd amount of coordination to avoid ever doing it in a game like SMB, and the effects would be pretty immediately obvious. If you're using an emulator, you have to enable allowing it. If you're using a hardware adapter you'd have to have your adapter blocking it.