This is a special online mahjong game because it is a 3D based mahjong game. There are four players involved in the game play and you are going to be one of them. The game is a different variant as compared to the other popular online mahjong games. The objective while playing this online mahjong game is to build sets, as well as get the highest point value. It could take you some time to get used to with the game style but once you do, the fun that the game offers will be simply unbelievable and very addictive as well.