Welcome to Nature Sleuths!
Looking for a fun way to connect with nature? Grab your friends, your family—or just your curiosity—and join us on a treasure hunt through some of Thurston County’s most beautiful parks and wild places!
From towering old-growth forests and peaceful beaver ponds to hidden urban trails and salty marine beaches, there’s something for everyone to discover. Using the free GooseChase app on your phone or tablet, you’ll complete missions at each location to help you learn about the unique wildlife, history, and ecology of that place.
With more than 30 parks to discover, each mission invites you to share a photo of your experience. For every mission you complete, you’ll earn a limited-edition Nature Sleuths sticker—a fun reminder of the places you’ve explored and why they matter.
Ready to start exploring? Grab your gear, charge your phone, and let’s see where the adventure takes you!
How to Play
Download the Goosechase app (iOS or Android).
- Play as a guest or create a new personal account.
- Select Nature Sleuths 2025 or search by game code 6NRHZS.
- For new players: Select All Players Start Here at the top of the page.
- Follow the instructions provided to receive your Nature Sleuths stickers.
*Don’t have a device for apps? View all park missions in text format on our website by clicking here.
Visit a Park
Find a park using the interactive map below. Bus route details are on each park’s mission page (look for the transit icon!). You can also access city transit information by clicking here.
Begin Sleuthing!
- Login to the Goosechase app. Select the Nature Sleuths 2025 game or search by game code 6NRHZS.
- Click on your park of choice. Follow the instructions provided.
Complete Your Mission
To complete a mission, select Do This Mission at the bottom of each mission page to upload your photo.
Get an Adventure Book!
Complete a park mission to earn a limited-edition Nature Sleuths sticker. Download and print the Nature Sleuth Scavenger Hunt Adventure Book to collect them all in one place.
To print the Adventure Book, click on booklet and select double-sided.
Click here to see what a finished Adventure Book looks like.
It’s Easy to Play Along!
Visit some (or all!) of the parks, share your photo evidence in the Goosechase app, and start collecting stickers. Ready, set…get SLEUTHING!
Questions? We’re here to help! Please contact us at hello@streamteam.info.
Participating Parks:
Nature Sleuths in the News
Build Together, Play Together (City of Lacey Parks, 22 July 2025)
Nature Sleuths (The Jolt, 1 August 2022)
New Stream Team app makes search for wildlife into a treasure hunt (The Olympian, 16 April 2021)
Lacey Parks launches Nature Sleuths program to enhance wildlife education and community engagement (Citizen Portal, 17 January 2025)
Thurston County’s Stream Team mobilizes for water health (The Jolt, 26 February 2025)