Basic Minesweeper Tips

These tips are from the Minesweeper help file, which comes with the game itself:

Understanding the Rules of the Game

Follow these rules when playing Minesweeper

The playing area is a mine field, simulated by a grid of squares. Initially, all the squares are covered.
To uncover a square, point to it and click the left mouse button. You continue to uncover squares until only the squares containing mines are covered.
If you uncover a square that does not contain a mine, it either contains a number or is blank.
If the square contains a number, N, then there are N mines in the surrounding eight squares. If the square is blank, there are no mines in the surrounding eight squares.
If you uncover a blank square, the surrounding eight squares are uncovered automatically because there cannot be any mines under them.
If you know that a square is a mine, you can mark the square.
If you uncover a square that contains a mine, the game is over and all the mines are displayed.

You can also "clear around" an uncovered number square whose mine has already been marked. For example, two squares labeled 1 may both be touching a marked square. If you clear around the uncovered squares, you may uncover additional squares that do not contain mines. If you clear around a square whose mine is already marked, the surrounding numbered squares are uncovered.

To clear around a square

Point to the numbered square, and then click both mouse buttons at the same time.
If there are other squares whose mines have been marked, they will be uncovered for you.
You are not allowed to clear around a square if you have not marked enough mines in the surrounding eight squares, or if the square is covered. For example, if you try to clear around a square labeled 3, and you have marked only two squares with mines, nothing will happen. Or, if you try to clear around an uncovered square, nothing will happen.
If you clear around a square, and there is an unmarked mine in the surrounding eight squares, it is uncovered and the game is over.
If you clear around a square whose mines are incorrectly marked and a mine is uncovered, the game is over.
[More Basic Tips]

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