Methods, systems, devices, and software products are provided for slot machine tournaments to allow bettors to bet on slot machine tournament players and events. A bettor interface is provided showing a group of currently remaining gaming machines in the competition and enabling selection of machines to wager upon, and a wagering interface display area presents a group of potential wagers to be made. At least some of the potential wagers presented with a target point total and calculated wager odds of reaching said target point total. Fixed or portable devices may be programmed to connect to the network to access the competition wager interface and allow bettors view, make selections, and activate wagers on the eventual outcome of the competition through the competition wager interface.