An apparatus and method for facilitating participation in a slot game. A display
grid having a plurality of active display segments is presented. Symbols are randomly
presented in each active display segment that has not expired. The active display
segments that have expired in response to at least one randomly-selected expiration
parameter are deactivated. The presentation of symbols in each of the active display
segments, and the deactivation of active display segments that have expired, is
repeated until a predetermined number of the active display segments have been
deactivated through expiration.