Minesweeper
Clear the board without hitting a mine. Numbers are your clues.
About Minesweeper
Minesweeper is one of the great logic puzzles of the computer age. Hidden somewhere under a grid of identical squares is a set of mines. Your job is to reveal every safe square without ever clicking on a mine, and your only tools are the numbers: each revealed square tells you exactly how many mines are touching it, including diagonals. From those little numbers you can deduce, square by square, where the mines must be and where it is safe to step. Like Sudoku, a well-played game of Minesweeper is a chain of small, certain deductions, and the moment the whole board clicks open is deeply satisfying.
This is PlayZone's own build of Minesweeper, written in-house and running entirely in your browser with no download, no account, and nothing to install. It has three board sizes, a mine counter, a live timer, and a separate best time saved for each difficulty. Your first click is always safe, so you never lose on move one. It is built for phones as much as desktops: tap to reveal, and flag suspected mines with a long-press, the Flag mode button, or a right-click on a computer.
How to Play Minesweeper
Tap or click any square to start; the first reveal is guaranteed safe and the timer begins. A revealed square shows a number from 1 to 8, telling you how many of its neighbouring squares (up to eight, counting diagonals) hide a mine. A blank square means none of its neighbours are mines, and the board helpfully opens up the whole connected safe area for you in one go.
When the numbers tell you a square must be a mine, mark it with a flag so you do not click it by mistake: on a computer, right-click the square; on a phone, long-press it, or switch on Flag mode so every tap places or removes a flag. The mine counter shows how many mines are left unflagged. You win by revealing every safe square, the mines themselves never need to be clicked, and you lose the moment you reveal a mine. Beat the board and your time is recorded; beat your best time and the record updates.
Strategy: Reading the Numbers
Minesweeper looks like guessing until you learn to read the numbers as statements of fact. A few core deductions solve most boards:
- A number touching exactly that many hidden squares means they are all mines. If a 1 touches only one unrevealed square, that square is a mine, flag it with certainty. If a 3 touches exactly three hidden squares, all three are mines.
- A number that already touches its full count of flags means every other neighbour is safe. If a 1 already has one flagged neighbour, all of its other hidden neighbours can be opened freely. This is the single most useful move in the game.
- Work the edges of the opened area. The frontier between revealed and hidden squares is where all the information lives. Scan along it looking for the two patterns above before considering anything else.
- Learn the classic 1-2-1 pattern. When you see 1-2-1 in a row along a wall of hidden squares, the mines sit under the two 1s' outer neighbours and the square in front of the 2 is safe. The related 1-2-2-1 pattern puts the mines under the two 2s. Spotting these instantly saves a lot of thought.
- Count what is left. Late in the game, compare the mine counter with the number of hidden squares. If five squares remain and five mines remain, flag them all; if the counts say the remaining squares must all be safe, open them.
- When you truly must guess, guess cheaply. Some boards do force a guess. Prefer squares that touch fewer numbers (less constrained areas) and corners over edges, and accept that an occasional loss is part of the game.
A Short History of Minesweeper
Mine-finding puzzle games appeared on home computers in the 1980s, but the version everyone knows arrived in 1992, when Microsoft included Minesweeper with Windows 3.1. Along with Solitaire, it became one of the most-played computer games in history, quietly teaching millions of office workers precise right-clicking while giving them a reason to stay at their desks a little longer. Beneath the simple surface is genuinely deep mathematics: deciding whether a Minesweeper board is consistent is a famously hard computational problem, which is a large part of why the game has fascinated computer scientists for decades. The puzzle has been reissued and reskinned endlessly, but the 1992 formula, numbers, flags, and one wrong click, has never needed improving.
Further Reading
- The Best Free Browser Games to Play in 2026 Where Minesweeper fits among the year's best logic puzzles.
- Work Break Games: 15 Best Quick Games for 5-Minute Breaks Why one Easy board is a perfect short break.
- Do Casual Browser Games Actually Train Your Brain? The honest research on deduction and logic games.
If you enjoy pure deduction, our Sudoku scratches the same itch with numbers instead of mines, and Lights Off offers a different flavour of grid logic. For a lighter change of pace, try the planning puzzle 2048.
FAQ
How do I flag a mine?
On a computer, right-click the square. On a phone or tablet, long-press the square, or tap the Flag mode button so that every tap places or removes a flag until you switch it off. If you navigate with a keyboard, focus a square and press F. Flagging is optional, but it prevents mis-clicks on squares you know are mines.
Can I lose on the very first click?
No. The mines are only placed after your first reveal, and the game keeps your first square and its immediate neighbours safe, so every game starts with a real opening instead of an instant loss.
What do the numbers mean?
A number tells you how many mines are hiding in that square's neighbouring squares, up to eight neighbours counting diagonals. A 1 means exactly one of the surrounding squares is a mine; an empty revealed square means none are, and the board automatically opens the connected safe region around it.
Do I have to flag every mine to win?
No. You win by revealing every safe square; the mines just need to be left untouched. When you clear the last safe square, the game flags the remaining mines for you automatically. Flags are a thinking aid, not a requirement.
What is the difference between the difficulty levels?
Easy is a 9x9 board with 10 mines, a gentle introduction. Medium is 12x12 with 22 mines, and Hard is 14x14 with 32 mines, where the mine density forces longer chains of deduction and the occasional calculated risk. Each difficulty keeps its own best time.
Is Minesweeper all luck?
Mostly no. The overwhelming majority of moves are pure logic, and the two core rules (a satisfied number's other neighbours are safe; a number touching exactly its count of hidden squares marks them all as mines) will carry you through most boards. A few situations do force a genuine guess, which is why even expert players lose occasionally, but skill dominates over any reasonable number of games.
Does the game save my best time?
Yes. Your fastest clear is stored separately for each difficulty, locally in your browser. Records persist between visits on the same browser and device; clearing your browser data, switching browsers, or playing in private mode will reset them.
Can I play Minesweeper on my phone?
Yes. The board scales to fit a phone screen, taps reveal squares, and flagging works by long-press or the Flag mode toggle, no right-click needed. It plays the same as on a desktop, with your best times saved on that device.