A gaming system comprises a game controller arranged to control play of a game having a player skill aspect, and a display arranged to display a representation of the game, the game controller being arranged to control the display to display a set of symbols for selection, the game controller being responsive to the player skill aspect to facilitate selection of at least one of the symbols, a skill level factor of the player skill aspect being variable depending on operation of a game, whereby to vary a skill level required by the player.