Pokémon GO has seen something of a resurgence recently as its previously dying player base has been resurrected. In fact, the game made more than $100 million dollars in May 2018, according to market research firm Superdata.
According to Superdata's ... data, Pokémon GO has reached #4 in the top ten mobile games of May 2018. This revived player base is set to eclipse the record numbers Pokémon GO first received in 2016, during the summer the game launched to fever-pitch highs.
This comes following the widespread news of Pokémon Let's Go Pikachu/Eevee being able to transfer you Pokédex from Pokémon GO into the Let's Go games. Many people are getting back into GO in anticipation of Let's Go launching later this year.