Originally Posted by DArtagnan 
Cooperative gameplay is nice, but if you wait until the last game in a trilogy to implement it - you're not being very smart about it.

Actually coop is relatively good news, there is a lack of decent RPG games that can be played that way. Of course, not much RPG left in Mass Effect. And its only the last game of a trilogy. Oh Well. At least it's not some dumb capture the flag or deathmatch MP tag-on.