Get ready, Trainers! Pokémon GO’s “Sizable Surprises” event is unleashing a world of tiny and towering Pokémon from April 4 to April 9, 2024, featuring the first-ever shiny Wimpod, double XP for perfect throws, and thrilling new Collection Challenges that reward you with rare encounters and valuable bonuses. Whether you’re hunting colossal giants or minuscule marvels, this event promises surprises big and small that you won’t want to miss.
During this event, Wimpod and it’s evolution, Golisopod, are also making their shiny debut, so keep your eyes out for a special red-trimmed bug.

The two Ultra Beasts from different hemispheres, Celesteela and Kartana, are also available shiny for the first time.

Below we list out all the perks and bonuses of the Pokémon Go “Sizable Surprises” event, including the Collection Challenge.
Pokémon Go ’Sizeable Surprises’ Collection Challenges
The Pokémon Go “Sizeable Surprises” event features two main Collection Challenges: “Tiny Treasures” and “Giant Gems.” The Tiny Treasures challenge requires players to catch smaller Pokémon such as Wimpod, Joltik, Diglett, Cutiefly, and Tynamo, rewarding 3,000 XP, 10 Razz Berries, and a Wimpod encounter upon completion. The Giant Gems challenge focuses on larger Pokémon including Wailmer, Mantine, Cetoddle, Onix, and Snorlax, with rewards of 3,000 XP, 10 Pinap Berries, and a Wailmer encounter. These challenges are complemented by event-exclusive Field Research tasks and increased spawns of both XXL and XXS Pokémon, offering trainers opportunities to earn valuable items, XP, and encounters with shiny variants, including the newly shiny Wimpod, Celesteela, and Kartana.
There are two Collection Challenges that involve catching the following during the event:
’Giant Gems’ Collection Challenge
- Wailmer
- Mantine
- Cetitan
- Onix
- Snorlax
Rewards: 3,000 XP, 10 Pinap Berries, Wailmer encounter
’Tiny Treasures’ Collection Challenge
- Wimpod
- Joltik
- Diglett
- Cutiefly
- Tynamo
Rewards: 3,000 XP, 10 Razz Berries, Wimpod encounter
Pokémon Go ’Sizeable Surprises’ event Field Research and rewards
During the Pokémon Go “Sizeable Surprises” event, players can complete special Field Research tasks that reward encounters with featured Pokémon such as Wimpod, Wailmer, Tynamo, Cutiefly, Onix, and Snorlax. Tasks include catching 3 Wimpod or Wailmer, catching 5 Pokémon for a chance to encounter Tynamo or Cutiefly, catching 20 Pokémon for Onix or Snorlax encounters, and winning a raid to earn Rare Candy. These tasks offer opportunities to find shiny versions of some Pokémon, including Wimpod and Wailmer. Additionally, completing event-themed Collection Challenges grants rewards like Razz Berries, Pinap Berries, XP, and special Pokémon encounters, encouraging players to catch both small and large Pokémon featured in the event.
Spinning a PokéStop or gym during this event may yield one of the following tasks:
- Catch 3 Wailmer (Wailmer encounter)
- Catch 3 Wimpod (Wimpod encounter)
- Catch 5 Pokémon (Tynamo or Cutiefly encounter)
- Catch 20 Pokémon (Onix or Snorlax encounter)
- Win a raid (1 Rare Candy)
Pokémon Go ’Sizeable Surprises’ event boosted spawns
The Pokémon Go “Sizable Surprises” event, held from April 4 to April 9, 2024, significantly boosted the spawn rates of various Pokémon, focusing on those with very small (XXS) or very large (XXL) sizes. During the event, players could find increased appearances of Pokémon such as Diglett, Onix, Snorlax, Mantine, Wailmer, Joltik, Tynamo, Cutiefly, Wimpod, and Cetoddle in the wild. This event also introduced shiny Wimpod and increased the shiny encounter rate for Wailmer. Additionally, the event offered double XP for catches with Nice Throws or better, making it a prime opportunity for trainers to expand their collections and earn rewards tied to the Collection Challenges.
The following Pokémon will spawn more frequently throughout the event:
- Diglett
- Onix
- Snorlax
- Mantine
- Wailmer
- Joltik
- Tynamo
- Cutiefly
- Wimpod
- Cetoddle
Pokémon Go ’Sizeable Surprises’ event raid targets
During the Pokémon Go ’Sizable Surprises’ event, a variety of Pokémon will be featured in raids across different tiers. One-star raids will include Foongus, Klink, Espurr, and Tadbulb. Three-star raids will feature Alolan Exeggutor, Galarian Weezing, Gyarados, and Snorlax. Five-star raids will offer Celesteela exclusively in the Southern Hemisphere and Kartana in the Northern Hemisphere, both available shiny for the first time. Additionally, Mega Charizard X will appear in Mega Raids. This lineup provides players with opportunities to encounter rare and shiny Pokémon while celebrating the theme of very small and very large Pokémon.
These Pokémon will be in raids during the event:
- Foongus (1-star)
- Klink (1-star)
- Espurr (1-star)
- Tadbulb (1-star)
- Alolan Exeggutor (3-star)
- Galarian Weezing (3-star)
- Gyarados (3-star)
- Snorlax (3-star)
- Mega Charizard X (Mega)
- Celesteela (5-star, Southern Hemisphere only)
- Kartana (5-star, Northern Hemisphere only)
What are the biggest surprises hidden in the Sizeable Surprises event
The biggest surprises in Pokémon GO’s Sizeable Surprises event include the debut of shiny Wimpod and its evolution Golisopod, along with the first-time shiny availability of Ultra Beasts Celesteela (Southern Hemisphere) and Kartana (Northern Hemisphere) in raids. Additionally, there is an increased chance to encounter shiny Wailmer in the wild, plus a special focus on finding XXS and XXL Pokémon, making the event a unique celebration of Pokémon of very small and very large sizes. Trainers can also complete two Collection Challenges-“Tiny Treasures” and “Giant Gems”-to earn rewards such as Razz Berries, Pinap Berries, XP, and encounters with Wimpod and Wailmer. The event also features double XP for Nice Throws or better, adding to the excitement.
What rare Pokémon are making their shiny debut during Sizeable Surprises
The rare Pokémon making their shiny debut during the Sizeable Surprises event in Pokémon GO are Wimpod and its evolution Golisopod, as well as the Ultra Beasts Celesteela and Kartana, which are regionally exclusive to the Southern and Northern Hemispheres respectively. Additionally, shiny Wailmer, which was already available, has an increased encounter rate during the event.
