Game machine and its computer program

The invention provides a game machine. A control unit of the game machine is made to function as a means for generating a game chance at which a successful player is hit; a setting means for setting a corresponding relationship between the successful player and odds of players; a displaying means for displaying on a monitor an odds display unit (102a) for associating the successful player with anodds value in accordance with the corresponding relationship; in the case where the successful player is hit, a means for generating an allotment of a player against the hit successful player; and a condition judging means for judging if a predetermined condition of an allotment change is met. Every time the predetermined condition is met, a line of odds is shifted to one edge portion side in a direction in parallel with a successful player's line. The corresponding relationship between the successful player and odds is changed so that, as the line of odds is shifted, a blank column is defined at the other edge portio