Minesweeper is still one of the best single-player logic games ever made. Click a square, use the numbers, don't hit a mine. That's the whole game — but the depth comes from reading the patterns.
You can play it right now in your browser at the Minesweeper tool. No download, no account, no timer pressure unless you want it.
How Minesweeper Works
The grid starts covered. Click any square to reveal it. If it's a mine — game over. If it isn't, it shows a number from 1–8 (or blank if no adjacent mines).
The number tells you exactly how many of the 8 surrounding squares contain mines.
That's your only information. The entire game is deducing mine positions from those numbers, one square at a time.
First Click Is Always Safe
The first click is always guaranteed to be a blank square (no adjacent mines) in any well-implemented version. This gives you an opening cluster of revealed squares to start reasoning from.
The Numbers: What Each One Means
| Number | Meaning |
|---|---|
| 1 | Exactly 1 mine in the 8 surrounding squares |
| 2 | Exactly 2 mines in the 8 surrounding squares |
| 3 | Exactly 3 mines — treat these carefully |
| Blank | 0 mines nearby — auto-reveals adjacent squares |
When you see a 1 and there's only one unrevealed square touching it, that square is definitely a mine. Flag it. Now any other number touching that same flagged square can subtract 1 from its count.
This cascading deduction is the core skill loop.
Difficulty Levels
| Level | Grid | Mines | Notes |
|---|---|---|---|
| Beginner | 9×9 | 10 | Forgiving. Good for learning the patterns. |
| Intermediate | 16×16 | 40 | Faster decisions required. Some guessing unavoidable. |
| Expert | 30×16 | 99 | Dense mine field. Pure logic gets you most of the way. |
Start with Beginner until you can clear it consistently without guessing. The patterns that work there scale up directly.
The Flag
Right-click any square you're certain is a mine to place a flag. Flags serve two purposes:
- Memory — you won't accidentally click a mine you've already identified
- Deduction fuel — once flagged, adjacent numbers become easier to read (subtract the flag from the count)
Don't over-flag speculatively. Only flag squares you've logically confirmed.
Common Patterns Worth Memorising
The 1-2 pattern: A 1 and a 2 side by side along an edge. The 2 has one more mine in its unique squares. If the shared squares account for the 1's mine, the extra square next to the 2 is definitely a mine.
The 1-1 pattern: Two 1s sharing all their unrevealed neighbors mean those neighbors are collectively safe — or at least the overlap is provably mine-free.
Corner squares: Corners have only 3 neighbors instead of 8. A 3 in a corner means all 3 of its neighbors are mines — instant flags.
These patterns repeat at every difficulty level. Recognise them and you'll play faster and guess less.
When You Have to Guess
Sometimes the board reaches a state where two possible mine arrangements are mathematically identical. Pure logic cannot distinguish them. You have to guess.
Expert Minesweeper is not 100% solvable without guesses. The best players minimise guesses to one or two per game by reading every available constraint before picking.
Play Now
Open the Minesweeper game — free, no account, works on desktop and mobile. Beginner if you're rusty, Expert if you want a challenge.
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