Black Hole Solitaire

How to Play

Launch the game by placing the black hole card at the center of the layout. Circle the black hole with an arrangement of face-up cards. Move cards to the black hole by clicking on a card that is one rank above or one rank below than the current top card of the black hole. Continue this sequence until all cards are cleared to the black hole or no more moves are possible. Utilize the undo button to correct your last move if needed. Complete the game by clearing all cards to the black hole. Test yourself by striving to complete the game in as few moves as possible.