Warner Bros. Pictures partnered with Niantic, Inc. to promote the theatrical release of DETECTIVE PIKACHU through an in-game partnership with "Pokémon Go."

From May 7 through May 17, 2019, "Pokémon Go" featured a variety of DETECTIVE PIKACHU-themed in-game content. While using the Go Snapshot camera, some gamers got photo-bombed by main character Pikachu wearing a detective hat in celebration of the film.

Additionally, Pokémonj featured in the film such as Bulbasaur, Jigglypuff, Psyduck, Aipom, and Snubbull, among others, appeared more frequently in the game.

Gamers were also able to participate in special raid battles and field research inspired by the movie. 

Fans were also able to customize their in-game characters with items from the movie including a detective hat and a T-shirt with the DETECTIVE PIKACHU logo.