Mahjong 3D Construction. Challenge your spatial vision through this mahjong game in three dimensions form. A 3D structure, consisting of Chinese mahjong tiles, is floating in space and you’ll have to click on matching pairs to gradually eliminate them. Hold down the left mouse button to rotate the construction in the desired direction. The game features 35 levels, a limited time and the opportunity to submit your score. This game is one of the puzzle games on Round Games. Enjoy and have fun in playing this free online game.