A gaming system is provided including a game controller arranged to control play of a game, and a display arranged to display a representation of play of the game. The game controller is arranged to select a plurality of symbols from a set of symbols for play of the game, and to control the display to display a plurality of the selected symbols. The game controller is arranged to control the appearance of at least one of the symbols of the set of symbols so that the appearance of the at least one of the symbols is indicative of a probability of winning a prize based on the at least one of the symbols.