Timeline for iPad

User Summary: This is a computer version of the boardgame http://boardgamegeek.com/boardgame/85256/timeline-inventions It is a trivia game where the players have a number of cards with discoveries and inventions and they have to play their cards on the table sorting them chronologically. Of course, the players do not know the date of each event and, after checking the date, if the card is ill-placed they have to draw a new card. The first player that plays all of his or her cards is the winner.