I had to come back to edit my list above because I recently picked up Mirror's Edge and really liked it. In fact, it is one of my favorite games on Windows Phone now. When I first played the trial I was impressed with the presentation, story, and concept, but worried the game would get old. I decided to give it a shot anyway, and I'm so glad I bought the full game for many reasons: 1) there is much more to the game mechanics not evident in the trial, including attacking enemies (with fantastic Matrix-esque slow-motion camera work), 2) it has a cool time trial mode where you can race against the ghost of your Xbox friends as you try to break their records, 3) the soundtrack is the best I've ever heard on a mobile game, 4) it comes with awesome un-lockable wallpapers, plus Xbox achievements too. This game is well worth the price: the touch controls are intuitive, the gameplay is unique, and there is a lot of replay value when you consider the ability to race against your friends' ghosts on every level. Very cool.