Today's trailers are not what they used to be. Once upon a time, developers were really showing you what they were working on, not just pretty renders and cinematics with fancy effects and cool gameplay moves, totally absent from the actual game anyway.
Game producers need you to get hyped, to drool all over your keyboard in excitement and to stand in line for a copy when the release day arrives. Unfortunately, they do that by lying to you. Here are ten examples of games that made you dream about them every night before the launch, and delivered a painful kick in the balls afterward.