Counter-Strike - Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation.
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.
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.