Here in this online mahjong game, you will have the option of playing the game in two different modes. The two mode of the game are â€“ For Kids and Shanghai. They differ in difficulty more than anything else. The main objective of the game remains the same in both the modes and that is to remove all the tiles from the play screen by clicking on identical pairs of tiles. However, you will need to make sure that the tiles to be matched are free as well. This lovely mahjong game can be played using the mouse of the computer.