Abstract: A gaming machine 50 has a display 51 on which an array of symbols is displayed. The array is typically 3 rows.times.5 columns and during a game the symbols displayed on the array are caused to change with a random result being obtained. The player of the machine makes a wager on the result and is paid a prize if one of a number of predetermined combinations of symbols are displayed on a line of the display 51 at the end of the game. The player may make multiple wagers on each game with each wager being assigned to a different one of a plurality of possible result lines. typically, the number of possible result lines is greater than or equal to 9 and the lines to be employed in each game are selected by switches 54, prior to a game being initiated.

Abstract: A lottery machine comprising a display which can display combinations of indicia selected from a predetermined set of such combinations, and a control device arranged to sequentially select game results from a predetermined set of game results and to display an indicia combination corresponding to the selected result on the display. Each game on the machine is initiated by a player and can only be initiated after the player has established a credit in the machine. At the commencement of operation of the machine, or when a previous set of game results have all been used, the control device sequentially selects each possible game result for the next series of games to be played and randomly allocates the results to game numbers in the series in order to produce a new set of predetermined game results.

Abstract: An odds indicator for a poker machine consisting of a cylinder having on its external surface a number of axially distributed bands each bearing on its circumference indicia each indicating a ratio by which a prize offered for a prize winning combination is to be multiplied, one ratio of the ratios displayed on each band being visible through a viewing window in the front of the machine in a column one above the other or side by side, there being displayed on the front of the machine a list of prize winning combinations opposite each of which, or a number which, one of the visible ratios appears and an indication of the prize to be delivered on achieving that particular combination when any one of the ratios displayed on a band is visible, the cylinder being rotatable so as to enable the visible ratios seen through the viewing window to be changed.