Stack' Em Up Solitaire is a game in the Arcade that retired in 2006 but later came back the following year, 2007. The object of the game is to move all the cards into the discard pile. If you move all of the cards, you will go on to the next level. Move the cards to the discard pile by clicking on a number (or face card) one higher or one lower than the face up card in the discard pile.