Campaign was kinda short (5.5hrs on Regular) , gun-play was the most crisp & polished in comparison to MW1 (2007) & WAW..
Did try Spec Ops , & boy oh boy , the AI on those missions kick ur ass hard..
Tried iwx4 ( 3rd party MW2 multiplayer client ) , but was getting terrible pings ( >100-200 ) due to my region (SEA) ig..
So I guess it's about time to find the mystery behind "the Numbers" in BO1..