Silicobra makes its Pokémon GO debut during the Sustainability Week 2026 event, alongside the first appearance of Galarian Corsola wearing sunglasses, and Shiny Toedscool is available! Discover event bonuses, wild spawns, rotating bonuses, raids, Field Research, and GO Pass rewards. Sustainability Week 2026 runs from April 14, 10:00 a.m. to April 20, 8:00 p.m. local time.

Here’s everything you need to know about spawns, bonuses, research, and shiny Pokémon during the event.

Event Bonuses

The following bonuses are active during the Pokémon GO Sustainability Week 2026 event:

Debut of Silicobra Family

During the event, Silicobra, the Sand Snake Pokémon, makes their debut in Pokémon GO.

You can use 50 Silicobra Candy to evolve into Sandaconda.

Shiny Toedscool Debut

For the first time in Pokémon GO, Toedscool can be shiny. They are both really excellent and noticeable shinies with Toedscool becoming a ghostly white, and Toedscruel turning hot pink and black!

Costume Galarian Corsola Debut

Galarian Corsola will be wearing a new costume, with pink sunglasses!

Wild Encounters

The following Pokémon will spawn more frequently in the wild:

• Castform will appear more frequently in the wild throughout the event in their respective weather conditions.

Additionally, Toedscool, Wiglett, and Silicobra will appear more frequently in their natural biomes:

• Toedscool appears in forest biomes,
• Wiglett in beach biomes,
• and we do not yet know which biome Silicobra will appear in. 

Route Encounters and Bonuses

There are different Pokémon spawns attracted to Routes during the event. You will have an increased chance to encounter Shiny Lapras, Shiny Togetic, Shiny Castform, and Shiny Trubbish. The following Pokémon are appearing more frequently attracted to Routes:

April 14 at 10:00 a.m. to April 16 at 10:00 a.m. local time

April 16 at 10:00 a.m. to April 18 at 10:00 a.m. local time

April 18 at 10:00 a.m. to April 20 at 8:00 p.m. local time

Eggs

The following Pokémon will be in 7km eggs during the event:

You’ll have an Increased chance to hatch Shiny Galarian Corsola wearing pink sunglasses and Shiny Castform.

Field Research

Event-themed Field Research tasks will be available. Complete Field Research tasks to earn items and encounters with event-themed Pokémon.

GO Pass: Sustainability Week

From Tuesday, April 14, at 10:00 a.m. to Monday, April 20, 2026, at 8:00 p.m. local time, the GO Pass and GO Pass Deluxe for Sustainability Week will be available in Pokémon GO.

A GO Pass is a free, limited-time progression track available during a specified period. By collecting GO Points, you can increase your rank to earn rewards. Trainers will automatically receive GO Pass: Sustainability Week on Tuesday, April 14, at 10:00 a.m. local time. You can collect GO Points and rank up to get additional rewards through Monday, April 20, 2026, at 8:00 p.m. local time.

• For US$4.99 or your country’s equivalent, Trainers can upgrade to the GO Pass Deluxe, a paid version of the GO Pass that offers upgraded rewards and faster progression.
• For US $6.99 or your country’s equivalent, Trainers can upgrade to the GO Pass Deluxe + 6 Ranks to also automatically earn enough GO Points to reach Rank 7.

While progressing through the GO Pass Deluxe, you’ll be able to claim all of the rewards from both the free GO Pass and GO Pass Deluxe. You can upgrade to a GO Pass Deluxe at any time and still collect rewards from previously unlocked ranks.

Complete Pass Tasks to rank up your GO Pass to earn the following rewards:

• Encounters with event-themed Pokémon
• Stardust
• XP
• Rare Candy
• Ultra Balls
• And more

Trainers who upgrade to the GO Pass Deluxe can also earn the following rewards:

• An event-themed avatar pose
• Additional encounters with event-themed Pokémon
• Incense
• Silver Pinap Berries
• Rare Candy XL
• Candy XL
• And more

GO Pass Major Milestones

Plus, reach Major Milestones on your event GO Pass to unlock the following bonuses:

Tier 1

Tier 2

Pokémon GO Web Store

GO Pass Deluxe

Your GO Pass Deluxe purchased via the Pokémon GO Web Store will activate as soon as the GO Pass begins.

Trainers who upgrade to GO Pass Deluxe: Bug Out or GO Pass Deluxe: Sustainability Week + 6 Ranks on the Pokémon GO Web Store will receive 10 Ultra Balls, five Max Revives, one Premium Battle Pass, and five Max Potions as a gift with purchase.

GO Pass Deluxe: Bug Out + 6 Ranks Ultra Box

The GO Pass Deluxe: Sustainability Week + 6 Ranks Ultra Box is also available and includes 20 Ultra Balls, 10 Max Revives, 10 Max Potions, two Premium Battles Passes, one Incubator, and one Super Incubator as a gift with purchase.

Infographic

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