All times are UTC.

Max players online: 3,465 (6 months 8 days ago)
Max players in any games: 3,102 (6 months 10 days ago)
Max players in Hardcore Ladder games: 989 (6 months 10 days ago)
Max players in Softcore Ladder games: 2,102 (6 months 10 days ago)
Max games: 2,829 (6 months 8 days ago)
Max Hardcore Ladder games: 795 (6 months 8 days ago)
Max Softcore Ladder games: 2,015 (6 months 8 days ago)

Players in a ladder game Normal Nightmare Hell
Hardcore (43) Public (14) 7 4 3
Private (29) 12 9 8
Softcore (233) Public (84) 38 16 30
Private (149) 60 21 68