User Summary You Don't Know Jack is back with more questions and wry commentary in You Don't Know Jack: Offline. The game features fast-action trivia competition for up to three players. As in other versions, the "screw" your competitor feature is available in this game, allowing a player to force other contestants to answer questions he thinks they won't know. A new question type is also available. This "Offline" edition features questions from You Don't Know Jack: the Netshow, an online-only version of the popular party game.