Quake - Quake is a series of first-person shooter video games released by id Software.
PunchLab - Track the strikes you throw at the punching bag
Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
Timerly - A real interval timer
DotA 2 - Dota 2 is a Free-to-play, Action-Adventure, Multiplayer Online Battle Arena, Single and Multiplayer video game created and published by Valve Corporation.
Liteboxer - An at-home boxing solution