Questo | City Exploration Games - Play a real-world city game on mobile @ the best travel app
Scavenger - An augmented reality scavenger hunt for cash prizes
Takers - Download Takers and begin to capture territories.
Gift Hunt for WordPress - Online treasure hunt on your WordPress site
Strut App - Strut is a game of exploration where you compete with other players around the world to uncover the map of the earth.
Play Munzee - Similiar to Geocaching but requires players scan a QR Codes instead to validate find.