The NES (Nintendo Entertainment System) console, released in 1985, was a groundbreaking gaming system that brought joy to millions of players worldwide. In recent years, there has been a resurgence of interest in the NES, driven in part by the rise of retro gaming and the development of massive ROMs that contain hundreds or even thousands of games. This report focuses on the NES 1000 in 1 ROM 2021, a remarkable compilation of games that has garnered significant attention among retro gaming enthusiasts.