Quite a few that are better than the ones posted in the files section here. I don't know if this is posted here but I found a site that has some emulators that run on my G3 Mac running 9.2.2.
I saw an old post dating back to 2009 asking where to find c64, nes, genesis, etc, emulators and instead of resurecting an old thread I thought I would make new one. RockNes is a high-power emulator for PCs, which is useable even on Mac versions such as Lion using Rosetta and Snow Leopard. Still, this does not reduce its popularity in the gaming world. This is because the latest OS versions do not support it. Consider this NES emulator in case you have a Mac version that is older than OS X. Itsupports five extra sound chips and an. Nestopia is by far the most compatible of any NES emulator for Mac OS X.Using cycle-exact emulation, it is able to run titles that rely onprecise timing, and which therefore break under other emulators. Nestopia is a Nintendo NES emulator for Mac OS X.