Minesweeper Expert

Expert Minesweeper online

Expert is the full-size game: 480 squares, 99 mines, about one mine in every five squares. Nearly every game reaches a point where logic alone runs out, and how you handle those moments decides whether you win. On a phone the board is turned upright, 16 squares wide and 30 tall, so the squares stay large enough to tap; scroll to reach the lower part.

Before you start

The controls are the same as on the smaller boards: tap to open, right-click or press and hold to flag, tap a satisfied number to open its neighbours. Random games protect your first opening and its neighbours. Daily games begin with the same safe corner already open. Press New game for a fresh random board. You can learn the basics on the beginner board and the standard patterns on intermediate.

When you have to guess

Work out everything that is certain first. A guess made too early is often one you did not need.
Compare the odds. Two closed squares sharing one mine are a coin toss; a square far from any number carries only the average risk of about one in five, which is usually better.
Prefer the guess that tells you most. A square that would open an area is worth more than one that reveals a single number.
If a fifty-fifty cannot be avoided and nothing else will change it, take it straight away. Leaving it to the end costs the same and wastes the work in between.

Expert habits

Watch the mine counter near the end. With few mines left, counting them often settles the last closed squares.
Corners and edges are easier to read than the open middle, because fewer neighbours are involved.
Undo takes back a mine here, so use a lost game to see where the reasoning went wrong.

Expert Minesweeper online

Before you start

When you have to guess

Expert habits

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