http://www.vgarabia.com/2009/08/01/fable-2-sales-approaching-3-millions/
Here is an example when a game is critically and financially successful as it needs to sell just 50k more copies to reach 3 millions landmark, according to Vgchartz.com the total sales for Fable 2 at this point is 2.95M, so it seems gamers are enjoying Fable 2 and the world of Albion.