Play Munzee - Similiar to Geocaching but requires players scan a QR Codes instead to validate find.

Geocaching - Geocaching is the premier app for locating geocaches. This app is available for both the Android and iOS platforms, and it makes locating these popular hidden treasures easy and fun.

c:geo - c:geo is simple yet powerful unofficial geocaching client for Android devices.

FlagStack - You can deploy and capture (virtual) flags all over the world. Join the scavenger hunt and have fun!

GeoGet - Geoget is a Windows application to operate your own databases of geographic points, with primary...

Sighter - Sighter is a social, outdoor treasure hunting activity, where you can play hide and seek with...