Mass Effect introduces a world of aliens, spaceships, and special agents. I know BioWare was trying to do a lot, but there were limits at the time. The FPS was good enough, but most items were useless. The rover sequences were truly awful (sometimes it flips over, and you're just stuck there). With that being said, the game won me over with the story and characters. It's also a game of decisions and consequences. It reminds me of old choose-your-own-adventure books, which I really liked. All-in-all, it's a great start to a franchise and set the stage for some epic adventures.