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*[[PuNES]] is the second most accurate NES emulator according to the same tests.<ref name="nestas">http://tasvideos.org/EmulatorResources/NESAccuracyTests.html</ref> That's not to say that it will generate an absolutely perfect experience compared to actual hardware. PuNES also supports rewinding in games.

*[[Nestopia]] has a high ranking in those same tests.<ref name="nestas"/> Nestopia has issues with The Young Indiana Jones Chronicles and doesn't display the status bar in Mickey's Safari in Letterland correctly among other problems. Nestopia Undead Edition (abv. Nestopia UE) is a fork of Nestopia meant to keep it alive and fixes the aforementioned bugs. This is generally the recommended standalone version. The libretro core for Nestopia is the Undead Edition in libretro form.

*[[FCEUX]] scores fairly low in the same tests, despite being a recommended emulator on TAS Videos. The New PPU is more accurate than the Old PPU, however. The emulator is still useful, though, thanks to its robust Lua scripting features and incorporating FCEUmm into its feature set.

*For official emulation, use [[Virtual Console]]. It is very accurate and has the backing of many of the developers, including Nintendo, Capcom, Square Enix and Namco. The Wii has a significantly larger library of NES games to choose from than the 3DS or Wii U, especially from third-party publishers.