BermanBraun, the producers of the game show are working on an online game of "Duel".
The online game will be hosted on ABC.com and will go online at the same time as the series, though it won't be surprising if a version is also available at www.duel.com or www.duelgame.com or some other web address that will be unique for the game show.
The online game of Duel will be either multiplayer or single player, which means that you can either play against other Duel fans or against a computer. The nature of the game is that you are in a trivia showdown with other players, so even the single player version of the online Duel game will have you playing against others, only they will be artificial intelligence and not real people.
The main sponsor of the Duel online game as well as the game show itself is Diet Pepsi Max.
It has not yet been announced if the online version of the game show will let you win money prizes, and if the games will have an entry fee or not. Most online versions of game shows are mostly promotional and do not offer any prizes at all.
Winning money playing trivia games is usually possible only in sites that specialize in this and offer trivia games on a skill gaming basis.
Duel Game Show - "www.Duel-game.com" website has no connection to the TV game show Duel