How to Play Mine Sweeper
Mine Sweeper is one of the most iconic logic puzzles in computer gaming history. The goal is simple: uncover every safe tile on the board without detonating a hidden mine. Each revealed tile shows a number indicating how many mines are adjacent to it, giving you the information you need to deduce where the mines are hiding. It is a game of pure deduction — no luck required once you understand the patterns.
How to Play
Left-click any tile to reveal it. If it is a mine, the game ends. If it is safe, it shows a number (1–8) indicating how many of its eight neighbors are mines. If a tile has zero adjacent mines, it automatically reveals all surrounding tiles in a cascade. Right-click a tile to place a flag, marking where you think a mine is hidden. The mine counter at the top tracks how many unflagged mines remain. Your first click is always guaranteed safe, so do not hesitate to start anywhere on the board.
On mobile devices, tap to reveal a tile and long-press to flag it. The game supports three difficulty levels: Easy (9×9 grid with 10 mines), Medium (16×16 with 40 mines), and Hard (30×16 with 99 mines). A timer tracks your solve speed — see if you can beat your personal best.
History & Origin
Mine Sweeper traces its roots back to the 1960s when similar grid-based deduction games appeared in university computing labs. The game as most people know it was popularized by Robert Donner and Curt Johnson, who created the version bundled with Microsoft Windows 3.1 in 1992. For over two decades, it was pre-installed on hundreds of millions of PCs worldwide, making it one of the most-played video games in history. The competitive Mine Sweeper community remains active today, with world record times measured in single-digit seconds for the beginner board.
Strategy & Tips
- Start in the center or near it. Corner and edge clicks reveal fewer tiles on a cascade, while central clicks tend to open up larger safe areas.
- Learn the 1-2 pattern. When a "1" is next to a "2" along a wall of hidden tiles, the mine is always next to the "2." This pattern appears constantly in harder difficulties.
- Flag as you go. Marking confirmed mines immediately helps you visually process remaining safe tiles faster.
- Use the count. If a number already has that many flagged neighbors, all remaining hidden neighbors are safe — click them quickly.
- Work the edges. Border tiles have fewer neighbors, making deductions simpler. Clear the perimeter, then work inward.
- Speed comes from pattern recognition. The more you play, the faster you'll spot common number arrangements and their solutions.
Frequently Asked Questions
Is the first click always safe?
Yes. The board is generated after your first click to guarantee that the tile you clicked — and ideally its neighbors — are mine-free. You will never lose on your very first move.
Can every Mine Sweeper board be solved without guessing?
Not always. Some board configurations, especially on harder difficulties, can produce ambiguous situations where pure logic is insufficient and you must make an educated guess. However, the majority of boards are solvable through logic alone. For tips on handling ambiguous endgames, see our Mine Sweeper Strategy Guide.
What is a good time for beginner Mine Sweeper?
For the 9×9 Easy board, anything under 60 seconds is solid for a casual player. Experienced players aim for under 15 seconds, and world-class players complete it in under 2 seconds.
Mine Sweeper is free to play right here in your browser — no download, no signup, no app required. Pick a difficulty, click a tile, and start sweeping. Good luck.