About Mansion Solitaire Build a mansion from bottom to the top by placing cards through calculation. ■52 cards for playing in the game except Joker ■The same suits or same number of cards can be paired. ■It needs a card with one pair of cards. ■When you place cards to build the second floor or above, the upper card should be smaller then the sum of lower cards or it will fall down. ■Repeat the steps to stack the cards until the roof is made to clear the game.