What are some alternatives?
When comparing Emoji Scavenger Hunt with Google and Treasure Hunt, you can also consider the following products
Nintendo Labo - DIY creations for the Nintendo Switch
Scavenger - An augmented reality scavenger hunt for cash prizes
Quadbot - Build your own Robot
MovieSpot NYC - New York movie tour/scavenger hunt on your phone
Gift Hunt for WordPress - Online treasure hunt on your WordPress site
InternetCaching - An internet treasure hunt platform.