Abstract: An electronic gaming device and method is provided in which redefined events result in positioning symbols on a playing field which persist in their location and effect through two or more sequential rounds of a game. Preferably, the symbols can affect the amount of a pay out, although preferably they do not affect whether or not a game has a winning result. Persistent symbols may be removed in response to various events, such as occurrence of a delete symbol, passage of time or playing of a predetermined number of rounds.