Facebook Scavenger Hunt:
This example was built on our Facebook application platform for the band The Wanted

https://www.metablocks.com/2012/02/application-overview-the-wanted-scavenger-hunt

 

Mosaic-Based:
This example was built on our Mosaic Platform for the Tooth and Nail band Thousand Foot Krutch
http://blog.tweematic.com/2012/03/mosaic-based-scavenger-hunts