1. A gaming machine having a display means and a game control means arranged to control images displayed on the display means, the game control means being arranged to play a game wherein at least one random event is caused to be displayed on the display means and, if a predefined winning event occurs, the machine awards a prize, the gaming machine being characterized in that, during the playing of a first game, symbols related to that first game are displayed on the display means and, when a trigger condition occurs, a feature game is commenced in which an arrangement of at least some of the symbols of the first game are incorporated as part of a larger image which constitutes an image of the feature game, the at least some symbols of the first game contributing to an outcome of the feature game.