If you are thinking, “Contra III never came out for the NES!” you’re technically correct. Konami had no hand in the pirate ROM. However, the work put into the downscaled Super Nintendo classic is pretty impressive. Not graphically, but content wise. The first level of Contra III replicated fairly well as seen in a series of videos found by Select Button.
This is a video from the NES Contra III copy…
… and here is a clip from the retail game we all know and love.