BotBoxer - A first ever robotic punching bag with computer vision
Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
Timerly - A real interval timer
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.
ROBOCRAFT - Robocraft is an Action-Adventure, MMORPG, Vehicular-Combat, Shooter, Sci-Fi, Strategy, and PvP video game developed and published by Freejam.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.