We expect video games to follow a simple pattern - they tell us what to do, we do it, and the day is saved. It's a formula that's the basis of countless great games.
But every now and then a game comes along that messes with our heads. When doing what we're told destroys the world instead of saving it, we're left wondering whether we're playing a game, or the game's designers are playing with us. The following are the best examples of games that gave us far more than we had anticipated when we first picked up the controller.