RockNES is a great, free Windows game, that is part of the category PC games with subcategory Emulators.
It's available for users with the operating system Windows 98 SE and previous versions, and you can download it only in English. Its current version is 5.05 and the latest update was on 5/26/2011.
Since the game has been added to our selection of programs and apps in 2011, it has already achieved 99.807 downloads, and last week it had 12 downloads.
About the download, RockNES is a reasonably light game that does not require as much space than many programs in the category PC games. It's very heavily used in India, Indonesia, and United States.