To uncover a square:
Left-click on the desired square
To mark/unmark a square with a flag:
Right-click on the desired square
-or-
Hold SHIFT or CTRL while clicking on the square
Score
0
0
Finished!
Mines
15
15
Empty
85
85
Starting in 5
Left-click on the desired square
Right-click on the desired square
-or-
Hold SHIFT or CTRL while clicking on the square