YouTube Gaming was a video gaming application for videos and live streaming, developed and launched by YouTube on August 26, 2015, and intended to compete with the Amazon.com-owned Twitch, Facebook Gaming, and Microsoft-owned Mixer. From Wikipedia
The platform captured over 60% of the global audience, logging 15.6 billion hours watched and 105 million monthly users, while GTA 5 and VTubers led viewership trends.