the present invention involves a game of chance based on the principles of rummy . an electronic gaming machine is programmed to display an initial seven card hand to the player . the player selects which of the initial seven cards to hold and which to discard . replacement cards are displayed for the cards which have been discarded and the combinations created by the resulting seven card hand are compared against a payout table to determine which winning payoffs , if any , are received by the player . preferred winning combinations are seven , six , five and four card runs , four and three card groups and the combination of three or four card runs and three or four card groups .