Quick Answer

To play Minesweeper, clear the grid without clicking a hidden mine. Each revealed number tells you how many mines touch that square, so you use these clues to deduce safe cells and flag suspected mines. Start by opening a corner, work from low numbers outward, and flag mines you are certain of before clearing the rest.

To play Minesweeper, you uncover every safe square without clicking a mine, using each revealed number, which counts the mines in the squares touching it, to deduce where the mines are. Minesweeper has quietly entertained people for decades, and it deserves its status as a classic. Behind its simple grid of grey squares is a pure logic puzzle that is genuinely satisfying to master (National Library of Medicine). Most people click around half randomly and lose, then assume it is a game of luck. It is not. With a little understanding of how the numbers work, you can win far more often than you lose (National Library of Medicine). This beginner guide explains the rules, the number logic that is the heart of the game, the strategies for edges and corners, and when you really do have to take a chance.

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The basic rules

Minesweeper is played on a grid of hidden squares, some of which contain mines. Your goal is to uncover, or clear, every square that does not contain a mine, without ever clicking a mine. When you click a safe square, it reveals a number. That number tells you how many mines are hidden in the squares immediately touching it, including diagonally, so up to eight neighbours. If a square has no mines around it at all, it shows blank and automatically opens up its neighbours too, often clearing a large area in one click. You win when every safe square is uncovered.

You can flag squares you believe contain mines to keep track of them, which helps you avoid clicking them by accident. The whole game is a conversation between you and those numbers.

Number logic explained

The numbers are everything, so learning to read them is how you win. Each number is a promise: it is exactly how many mines sit in the surrounding squares. Two simple deductions unlock most of the game:

  • If a number already touches that many flagged or known mines, then every other square around it must be safe. For example, a 1 that already has one mine identified next to it means all its other neighbours are clear, so you can open them confidently.
  • If a number equals the count of unopened squares around it, then every one of those unopened squares must be a mine. For example, a 3 with exactly three unopened neighbours means all three are mines, so flag them all.

Almost all of Minesweeper is these two ideas applied over and over. You look at a number, compare it to the flagged mines and unopened squares around it, and deduce what must be safe and what must be a mine. Chaining these small deductions together clears the board.

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Try it as you learn

The logic clicks fastest when you are playing. Open a free game of Minesweeper and use these deductions.

Corner and edge strategies

The edges and corners of the board are your friends, and good players use them deliberately. A square in the middle of the board has eight neighbours, which makes its number harder to pin down. A square on an edge has only five neighbours, and a corner square has just three. Fewer neighbours means fewer possibilities, which makes the logic far easier to resolve. So when you are looking for a guaranteed safe move, the numbers along the edges and in the corners are often where you will find one first.

Working inward from the edges is a reliable strategy. Clear what the edge numbers tell you, and each solved square gives you new information about the squares next to it, letting you push steadily into the middle of the board.

When you have to guess

Here is the honest truth about Minesweeper: sometimes you do have to guess. The very first click is always a guess, so it is usually smart to click near the middle, where a blank square is likely to open up a large starting area. Later in a game, you can occasionally reach a position where two or more squares are equally likely to be a mine and logic cannot separate them. In those moments, you take your best chance. The skill is in minimising how often this happens by squeezing every possible deduction out of the numbers first, so that a guess is a genuine last resort rather than a habit.

Practice tips

Getting good at Minesweeper is mostly about training your eye to read numbers quickly:

  • Start on the smaller, easier board. Fewer mines and squares let you focus on the logic without being overwhelmed.
  • Flag your mines. Marking known mines keeps the board clear in your head and prevents accidental clicks.
  • Slow down. Most losses come from a hasty click on a square you could have deduced was a mine. Take the extra second.
  • Play regularly. Pattern recognition builds with repetition, and common number arrangements start to jump out at you.

Give it a bit of patient practice and Minesweeper stops feeling like a coin flip and starts feeling like the elegant logic puzzle it always was. Open a free game and put the numbers to work.