Netflix Party - Netflix Party is an extension for watching Netflix remotely with friends and family for movies nights with that long-distance special someone.
Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
Watch2Gether - Watch2Gether is an app that allows multiple people to watch the same content simultaneously and interact with each other while watching.
Quake - Quake is a series of first-person shooter video games released by id Software.
ShareTube - Watch YouTube, synced with friends.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.