"Unlocking Spiritomb in Pokemon Go: Shiny Possibilities Revealed!"

To catch Spiritomb in Pokemon Go, players need to complete the Spiritomb Timed Research quest during the Halloween event, which ends on October 31, 2023. The tasks include making Nice Throws, Curveball Throws, and spinning PokeStops or Gyms. Spiritomb can be shiny in the game, with its shiny form being added in 2020.