Digitalspy writes; In a gaming generation of innovation and new ways to play, what has been the biggest change? Blistering high-definition visuals? Intuitive motion controls? An endless stream of user generated content? More importantly, which of those features has actually changed the way we play games? In the end, many of these features just alter the way games look or control, but not the way you actually play and think about what you're going to do next. It's remarkable that the most ground-breaking feature is not a visual or gameplay specific, but something that simply records what we play. Achievements, a numerical representation of gaming prowess, have changed the way many of us play games.