Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.

chitchat - Chat Room with Selfies and Pagers (yes, pagers!)

Quake - Quake is a series of first-person shooter video games released by id Software.

Chalk - Chalk is a calculator that tries to do right what others do wrong.

Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.

Twist - Check fewer notifications, do more meaningful work. Twist is the team communication app for calmer, more organized, and more productive teamwork.