BRAIN QUEST card game comes with two decks. The Questions deck is like a normal deck of playing cards with the addition of 4 trivia questions on them. These can be used to play variants of Rummy, Solitaire, or Go Fish (instructions included.) The Game Deck is used only with the BRAIN QUEST card game in which players draw from the Game Deck to get instructions on how to play their Questions cards. The first player to get rid of his or her cards wins.