Abstract: An electronic gaming machine provides a base game comprising a multi-line spinning reel game and a random prize awarding feature which selectively provides a feature outcome. The machine is arranged to offer the feature outcome when a game has achieved a trigger condition, the machine including trigger detection arranged to test for the trigger condition and to initiate the feature outcome when the trigger condition occurs. The trigger condition may be determined by an event having a probability related to the number of lines played in the respective game. The feature outcome is provided as a feature game phase which comprises one or more free respins and feature game phase prizes are paid according to predetermined feature game phase rules. In a feature game phase all the reels are respun once and after the first free respin, and after any subsequent free respin, any reel strip displaying a symbol in a predefined manner is held in place for a remainder of the feature game phase.

Abstract: A gaming machine is provided comprising: a display; and a game controller arranged to control images of a predetermined set of symbols selectively displayed on the display. The game controller is arranged to play a game wherein symbols from said set of symbols are displayed on the display, the symbols being randomly selected and/or located on the display to display at least one random event, and if a predefined winning event occurs, the gaming machine awards a prize. At least two symbols or combinations of symbols each represent two different predetermined trigger events, the occurrence of which triggers the award of a features prize. The machine further comprises bet apportioning function which operates under the control of a player to allow the player to apportion a total credit bet across two or more possible trigger events. The feature prize associated with the occurrence of a particular trigger event is dependant upon the amount of the credit apportioned to the respective trigger event.