Twitch (also and formerly known as Twitch.tv) is a live streaming video platform; introduced in June 2011 as a spin-off of fellow streaming platform Justin.tv, the site primarily focuses on video gaming, including playthroughs of video games by users, along with broadcasts of e-sports competitions. Content on the site can either be viewed live, or viewed on an on-demand basis.
Guncraft supports streaming live videos unto twitch where it can be viewed on their website, where players can learn new tactics and skills from veteran players. All you need is a twitch account and decent internet. The Twitch Broadcasting menu can be found on the main menu or during a game when you press escape on the keyboard.