Lottie Lynn is Eurogamer's Guides Editor. She likes exploring new games and still has nightmares about the moon from Majora's Mask.

Completing Pokedex in earlier Pokemon Generation games is challenging, but offers bragging rights and rewards. A Pokemon Ruby player managed to finish the game's Pokedex after 19 years.

He tries to complete the Pokedex in each new generation, but it wasn't until Gen 7 that he started building and maintaining a living National Dex that contains one of every critter in the franchise.