Right Mouse Button Click
Left Mouse Button Click
Opens any cell if it isn't marked with flag
or question mark ?
* WARNING - It can also be a bomb !!!
Middle Mouse Button Click
Clicked on open cell with a number (and surrounded by correctly placed flags around it) opens neighbour cells.
* WARNING - If flags around are not placed correctly, bomb will explode !!!
It also opens any single closed cell if it isn't marked with flag
or question mark ? same as Left Mouse Button Click.