2K Games have given us a new take on the gameplay trailer with XCOM: Enemy Unknown. It’s an interactive YouTube video that allows viewers to ‘play’ the game by clicking the on-screen boxes to make game choices. It kind of reminds me of the Choose your own adventure books I read as a nipper, except with XCOM you can blow an alien’s brainstem across the street. Nice. Definitely worth a look, especially for the lovely interface in the rain effects.