If you’re struggling to finish the Evolving Stars: Sinnoh Challenge in Pokemon GO, here’s exactly how to complete it!
The Pokemon GO Evolving Stars event has added plenty of new content to do with evolution with everything from new Pokemon to Challenges all fitting the evolution theme.
While Cosmoem’s long-awaited Pokemon GO debut is the highlight of the event, the new Evolving Stars Challenges are a great addition to the game too. Although, completing them can take some time.
Here’s how you complete the Evolving Stars: Sinnoh Challenge in Pokemon GO!

How to Complete Evolving Stars: Sinnoh Challenge in Pokemon GO
To complete the Sinnoh Challenge, you will need to evolve Rhyhorn into Rhydon, Swinub into Piloswine, Ralts into Kirlia, and Duskull into Dusclops. Here’s how to do it:
- Catch the Following Pokemon which are spawning in the wild during the Evolving Stars event:
- Rhyhorn
- Swinub
- Ralts
- Duskull
- Collect 25 Rhyhorn, Swinub, Ralts, and Duskull Candy
- Here’s how to boost the Candy you earn in Pokemon GO so you can do this quicker
- Once you have the Candy, you can press the Evolve button on each of these Pokemon to evolve them into Rhydon, Piloswine, Kirlia, and Dusclops to complete the Challenge.
Evolving Stars: Sinnoh Challenge – All Tasks
Task | Candy Needed | Image |
---|---|---|
Evolve Rhyhorn into Rhydon | 25 Rhyhorn Candy | ![]() |
Evolve Swinub into Piloswine | 25 Swinub Candy | ![]() |
Evolve Ralts into Kirlia | 25 Ralts Candy | ![]() |
Evolve Duskull into Dusclops | 25 Duskull Candy | ![]() |
Evolving Stars: Sinnoh Challenge – All Rewards
You will get 4 Sinnoh Stones for completing the Sinnoh Challenge. This is exactly enough to evolve all of the Pokemon you have already evolved once for this challenge into their final forms.

Now that you know how to complete the Sinnoh Challenge, find out how to finish the other Challenges before the event ends at 8 PM local time on November 11:
- How to Complete Evolving Stars: Eevee Challenge
- How to Complete Evolving Stars: Unova Challenge
- How to Complete Evolving Stars: Trade Challenge
There’s even more for players to do in the event too. Here are all of the limited-time Field Research Tasks and rewards in the Evolving Stars event.
Additionally, these are all of the Raid bosses in the Evolving Stars event. You’ll want to defeat all of these Pokemon while you can.