Are you looking for online mahjong to pass the time? Then at Just Games, we have the perfect game for you! Mahjong Dimensions is a free online mahjong game. But it's not your typical mahjong. The tiles get stacked into complex shapes, and the game takes place in 3-D as you rotate your towering blocks to make matches! With clean, stylish graphics and easy maneuverability, this is one of the top free mahjong games online!