Citadel, the final downloadable add-on for Mass Effect 3, is a hell of a good time. It's so full of jokes, references, call-backs and gags that it's difficult to keep up.

One of the best parts of Mass Effect 3's new 'Citadel' add-on—and there are a lot of good parts —comes near the end, when you have an opportunity to spend some quality one-on-one time with each of your companions from throughout the entire series.

Let's get this out of the way up front: Mass Effect 3's latest—and last—downloadable add-on, titled Citadel, is terrific. In fact, if you're a fan of the Mass Effect series, particularly one who's been there from the start, it was more or less made for you.