You can access the Dreamforce Quest inside of the Salesforce Events App https://www.salesforce.com/blog/2017/10/your-dreamforce-quest-awaits
A: Visit the Trailhead Zone in Moscone West L1 and scan your badge at any of the demos at this indoor waterfall.
Q: How do I complete the Admin or Developer Demo stop for the Admin & Developer Quest?
A: Visit the Trailhead Zone in Moscone West L1 and scan your badge at any of the Admin Meadow or Developer Forest demos.
Q: How do I get help for my Quest?
A: Visit the Quest Help Desk in the Moscone West lobby.
Q: What are Challenges?
A: Hungry for more ways to win? Unlock even more prizes by conquering Challenges in participating areas across campus. When you complete a Challenge, you’ll also get a fun message from Astro, Codey and friends in the app.