Most users to input a command to play a live streamed videogame

Most users to input a command to play a live streamed videogame
Who
Twitch
What
1165140 total number
Where
United States
When
01 March 2014

The most participants on a single-player online videogame is 1,165,140, and was achieved by the Twitch community "Twitch Plays Pokemon" who played Pokemon Red (Game Freak, 1996) from 12 February to 1 March 2014.