Slope is a puzzle game and this game instruction is from www.flash-games.net. You will play against the computer, taking turns placing stones in empty board spaces. The first player to have 5 of their stones in a row wins. Should there be no winner when no empty board spaces remain, the game enters slop mode. In slope mode, a stone may be placed on top of any existing stone. The stone that was in that space slides down into the space below. Any stones below that stone move down as well. Cautions: the only space a stone cannot be placed is where the opponent placed a stone in the preceding move. If 5 of both stones are in a row, the person who did it will lose.