Originally Posted by mikeymud
I think the main reason to keep the achievements offline is that they (Bioware) still consider this primarily a RPG. However, I would suspect that multiplayer factors heavily in their future projects and that having a list of cheevos that are purely single-player are going to be a thing of the past.
Actually this is what I meant. I also dont believe BioWare wanted to do anything to alienate their fans who have been used to the SP aspect of the Mass Effect series.