What is best pokemon mystery dungeon?

As an AI language model, I don't have personal beliefs and opinions about specific things, but I can provide some information about Pokemon Mystery Dungeon games that are considered to be the best by many fans.

One of the most highly regarded Pokemon Mystery Dungeon games is "Pokemon Mystery Dungeon: Explorers of Time/Darkness/Sky" for the Nintendo DS. It was released in 2007 and 2009 and has gained a cult following for its immersive storyline and emotional depth, as well as its challenging gameplay. The game follows the player, who wakes up in the body of a Pokemon with no memory of their previous life, as they explore dungeons, recruit more Pokemon to their team, and uncover the secrets of their world.

Another popular entry in the series is "Pokemon Super Mystery Dungeon" for the Nintendo 3DS, released in 2015. This game features an even larger roster of playable Pokemon and a new mechanic where players can evolve and de-evolve their characters in battle, adding a new layer of strategy to the gameplay.

Overall, the Pokemon Mystery Dungeon series is beloved by fans for its unique take on the Pokemon franchise, its engaging stories and characters, and its challenging dungeon-crawling gameplay.