Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Headspace - Meditation made simple. Brilliant things happen in calm minds.
Counter-Strike - Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation.
Calm - Calm.com can help you reduce stress and increase calm.
Quake - Quake is a series of first-person shooter video games released by id Software.
Synctuition Meditation Program - Synctuition Meditation Program is a world’s most leading meditation app that comes with brand new 3D sounds that enhance the quality of sleep significantly.