If you like to be limited by time, then feel free to try:
Mahjongg Dark Dimensions (2 minute limit)
Mahjong Dimensions 15 min (15 minute limit)
Mahjongg Dark Dimensions (no time limit) - has not yet been released
Play everything Mahjong Dark Dimensions games completely free. Enjoy.
control
Select tiles: left mouse button
Rotate: AD or left and right arrow keys or drag the left mouse button