Shiny Greavard to Debut in Pokémon GO Halloween Event
Niantic will introduce the rare Pokémon variant during the second part of its 2026 Halloween celebration.
Updated on Oct. 31, 2026 in Forecasts
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Starting November 1, 2026, trainers will be able to encounter Shiny Greavard in Pokémon GO. The event runs through November 5, 2026, offering players various ways to catch the spectral pup.
Why it matters
The introduction of a Shiny variant provides a significant draw for players looking to expand their collection with rare specimens during the seasonal event. Additional themed encounters and raids are also scheduled to maintain engagement throughout the five-day period.
The Halloween 2026 Part II event begins November 1, 2026, at 10 a.m. and concludes November 5, 2026, at 8 p.m. local time. Players have until November 7, 2026, at 8 p.m. to claim their Halloween GO Pass rewards.
The players
Niantic
Niantic is the software developer and publisher behind the augmented reality mobile game Pokémon GO.
Pokémon GO
Pokémon GO is a globally popular mobile game that utilizes GPS and augmented reality to allow players to capture, battle, and train virtual creatures.
The details
Trainers can find Greavard in the wild and through Field Research tasks or the GO Pass during the event. Additional themed encounters include Pikachu wearing a hat and capelet and Sinistea sporting a bow, both of which appear in one-star raids alongside wild encounters like Litwick and Rowlet.
Timeline
Shiny Greavard debuts in Pokémon GO on November 1, 2026, at 10 a.m. local time.
The Halloween 2026 Part II event ends on November 5, 2026, at 8 p.m. local time.
The final deadline to claim Halloween GO Pass rewards is November 7, 2026, at 8 p.m. local time.
Seasonal Patterns
This release follows the established Pokémon GO seasonal event model that uses time-limited windows to drive player activity. The scheduling mirrors previous holiday content updates that utilize specific spawn rates and themed raids to manage in-game engagement.
Players should ensure they maximize their Shiny Greavard encounter opportunities by engaging with Field Research tasks and the GO Pass before the event ends on November 5. Remember to secure all earned rewards from the GO Pass before the November 7 deadline.
The takeaway
The event provides a concentrated window for players to hunt for rare variants and collect themed gear. Participants should prioritize their research tasks early in the week to ensure they meet all collection goals before the event expiration.
What happens next
Players must claim their Halloween GO Pass rewards by November 7, 2026, at 8 p.m. local time, or they will lose access to the items.
Further reading
For more on upcoming in-game content, visit the Forecasts section.
Source note: This article includes information reported by Collider.
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