Badge(r)s! - The game all about collecting, sharing and creating virtual swag!
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
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.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Play Munzee - Similiar to Geocaching but requires players scan a QR Codes instead to validate find.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.