How to Play Minesweeper: The Ultimate Guide

Minesweeper is a deceptively simple puzzle game that has challenged players for decades. The goal is straightforward: clear the board without detonating any hidden mines.

The Objective

Your mission is to uncover every square on the grid that does not contain a mine.

• Win: All safe squares are revealed.
• Lose: You click on a square containing a mine.

Basic Rules

1. Click to Reveal: Left-click a square to reveal what's underneath.
2. Numbers are Clues: If you reveal a number, it tells you exactly how many mines are adjacent to that square (including diagonals).
   • A 1 means there is exactly 1 mine touching that square.
   • A 3 means there are 3 mines around it.
3. Empty Squares: If you reveal a square with no number (blank), it means there are zero mines adjacent to it. The game will automatically reveal all connected empty squares for you.
4. Flag Mines: Right-click a square to place a flag. Use flags to mark where you think a mine is hiding.

Strategy & Tips

The 1-1 Pattern

If you see a 1 touching a flat wall of unrevealed squares, and next to it is another 1, the third square over is often safe. (This is a simplified example; patterns depend heavily on context!) See our Solver for identifying complex patterns automatically.

Chording (Double Click)

Once you have flagged the correct number of mines around a number (e.g., you placed one flag next to a 1), you can double-click (or click both mouse buttons) on the number itself. This will instantly reveal all the other surrounding squares.

Tip: This speeds up gameplay significantly but be careful—if your flag is wrong, you'll detonate a mine!

Guessing

Sometimes, you will encounter a situation where logic cannot determine the next move (a 50/50 chance). In these cases, you have to guess.

• Tip: Guess early. If you're going to lose to bad luck, it's better to do it at the start of the game than after spending 10 minutes clearing the board.

Logic vs Probability

Minesweeper is a game of logic, but when logic runs out, it becomes a game of probability. Professional players and solvers use "CSP" (Constraint Satisfaction Problems) to calculate the exact probability of every square being a mine. Want to see this in action? check out our Minesweeper Solver which calculates these probabilities for you.

A Brief History

Minesweeper gained worldwide fame when it was included in Windows 3.1 in 1992, but its origins go back further. It is believed to be influenced by earlier mainframe games like Cube and Relentless Logic. The game was originally added to Windows not just for fun, but to help users learn how to use the mouse—specifically, improving precision and teaching the difference between left and right clicks.

Ready to Play?

Now that you know the rules, try a game! Start with Beginner mode to get a feel for the patterns, then work your way up to Expert. If you get stuck, remember you can always use our Solver Tool to help you learn the logic.