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===Low accuracy===
An emulator isn't accurate when it has a large amount of visual and audio glitches and favors performance as much as possible. To work around these glitches, emulator developers typically include game-specific hacks (and prioritize popular games) to skip over problems, such as compatibility issues that can cause games to break. Many times, these emulators will be deemed incompatible with the less popular (obscure) games. As Near (then known as byuu) explains in a 2011 Ars Technica article linked below, ''Speedy Gonzales: Los Gatos Bandidos'' will soft lock towards the end due to a specific hardware edge case that isn't emulated in [[ZSNES]] or [[Snes9x]], but is properly dealt with in his own emulator [[higan]] due to his documentation of the system. This can also become very problematic when ROM hacks abuse software errors (aka. emulator oversights) to create otherwise impossible behaviors to achieve what they can. When a ROM hack can only be used in that one specific emulator, he explains, it becomes incompatible with real hardware (either through a flash cart or printed), and that such an issue has occurred with [[ZSNES]] before and continues to occur with Nintendo 64 ROM hacks.
===Medium accuracy===
Medium accuracy finds itself in between, think of it as the middle ground. Emulators with medium-level accuracy have a decent level of compatibility with commercially released games and should be able to get the job done for the most part. Emulators with medium accuracy don't cover some of the more advanced nuances of the hardware it seeks out to imitate, but this shouldn't matter a whole lot for a good number of games. Most high-level emulators may fall into this category.
In summary, emulators with medium-level accuracy are passable. They aren't the worst, but they aren't fantastic either, they sit in the middle.
===High accuracy===
