Pokémon Go an saita don bikin Halloween ta hanyar gabatar da abin da ya faru na ɓarna na Halloween daga Oktoba 15th zuwa 31st kuma tare da bukukuwan, yawancin sabon Pokémon zai kasance don kamawa.
Haɗuwa da Pokémon da ke akwai a wasan a karon farko shine Galarian Slowking, juyin halitta na yanki na biyu don Galarian Slowpoke.