It's kinda beneficial they do it this way when you think about it. Aka,every story is self contained so you don't need every game in the series to know what the frak is going on. (Unlike say FF 13 where you'll need all 3 games under that label to know exactly what is happening. lol. It's the same with Mass Effect too I suppose. So far Bioware still seems to have better writers than S/E though,heh!)