Twitch channel stwdrift has been streaming Halo 5: Guardians the most in 2017 having streamed in 773 hours so far with 186 average viewers and 186 highest concurrent viewers.
stwdrift also streamed the game Fortnite second most in 2017 for 8 hours and had 10 average viewers while playing it. stwdrift
also had 10 highest concurrent viewers playing Fortnite.
Always up to date.