Originally played this on the 360, ran into a bug where I got stuck in some stairs, had to quit out, and found myself with a corrupted save file when I went back to it. Did finally play it some years later again via Steam and still managed to be engaged enough to go back through the 50-some hours I had already put in previously and get to the end.

Good game, though bugs prevented me from really getting far in ME2 (PS3 and PC) and I've never been able to check out the conclusion in ME3, as a result.