Have you already played the best videogame 2011 has to offer? The question may sound crazy with six months – and a massive, sequel-stuffed holiday calendar – left to go, but just look at the contenders. A Valve masterpiece. A Rockstar epic. A Nintendo classic. An Epic experiment. Three of the titles below scored a perfect 10/10 on our site and, depending on which GamesRadar editor you ask, the other four possibly deserved to as well.