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Mastered The Little Mermaid
(lemmy.ml)
Just made all retroachievemens in this game in hardcode mode (without save states). Probably the easiest NES game with the easiest achievement set.
If you have never played, I recommend giving it a try. The gameplay is great, nice soundtrack.
What is the easiest game for NES in your opinion?
Back in the day I borrowed this game from my cousin and got really good at it- I once beat it in a little over 18 minutes.