It depends on the platform, but as an example, for PS3, the average is around 250,000 during the week, 360,000 on the weekends.
For double-XP weekends and new DLC releases, it swells to over 500,000.
a lot
There are roughly 500,000 on PS3 and 2,000,000 on Xbox
People still play Black Ops 1 LoL
Do you mean Black Ops Rezurrection upgraded WAW Zombie maps because the World at War original maps do not play on Black Ops.
18
More games have been sold of Call of Duty Black Ops than any other game
LIke 10-15 million people
Up to 4 players can play simultaneously in call of duty black ops multiplayer.
about 1/2 of it does
Yes
No there are more people that play Black Ops
with online play