Mixtape, from The Artful Escape studio Beethoven & Dinosaur, is a delight. It's a celebration of teenage life that makes its point, aptly, just as a teenager would. Maybe it's because I've just played through several hours of teen rebellion, but I feel like breaking some rules. Unfortunately these are rules of video game reviewing, which I am paid to care about (and do actually care about, because I am sad) but which I really ought not to ever burden you with because they are, let's be honest, incredibly dull. So apologies and also: please adjust your excitement downwards, because the circumstances around Mixtape mean I'm obliged to start talking about them. The first is about quotes: generally quotes in reviews should be avoided, because a review is about your ideas, your opinions, your feelings, not someone else's. Plus, it's easy to slip into sounding a bit pretentious when you start quoting excessively. Or just like you haven't got enough thoughts of your own.…