The new record of the number of concurrent players in an online game was registered on October 11, 2017 - 2 016 498 users were playing PlayersUnknown's Battlegrounds at one moment. The previous record was also made by PUBG and amounted 1,322,507 players.
See also: Ninjas in Pyjamas signed a PUBG roster.
Dota 2 is the nearest chaser of PUBG and its online amounted 625,00 on October 11 this year. It is worth to notice that for the moment, the survival simulator is played by the bigger number of users than the rest nine games from the rate of the most played games.