Pokémon now stands at over nine generations' worth of games, and some have certainly been more successful than others. What constitutes the best game of a series is so skewed nowadays, and in the case of the Pokémon franchise, this can vary from being tied to nostalgia and familiarity, groundbreaking mechanics, memorable moments, or standout characters.
Source：https://www.cbr.com/pokemon-fire-red-leaf-green-still-best-games-or-nostalgia/
