Alien Mahjong

Try to remove all the tiles in those 3 levels by matching at least 2 of the same tiles at once. Use the bomb mode when no matches are left to generate new ones and clean the whole level.

Click on two identical space tiles to match them and remove them from the board. Examine the board carefully to identify identical tiles that are accessible on at least two sides. Activate the bomb mode when no pairs are left to shuffle tiles and proceed playing. Clear all three levels by removing every tile to win. Note that some tiles may be obstructed under others, so strategize your moves smartly.