If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Fun Mahjong Solitaire game, where tiles move to the centre of the board. Combine 2 of the same free tiles to remove them from the screen. A tile is free if it has at least 1 free side (left or right) and isn't blocked from above.
This game is played with mouse only.