40 levels with 3D Mahjong in Black and White. Match 2 of the same free cubes: 1 white cube and 1 black cube. Cubes are free if they have two free adjacent sides. You can rotate your view.
Move all cards to the four foundations starting with the Ace. On the tableau you can build down regardsless of suit. You can use all cards from the top row. You can only move one card at a time.