Read the numbers, mark the danger, and clear every safe square. Your first reveal is always safe.

Field scanner
Mapping the minefield
Rules
- Reveal every square that does not contain a mine.
- A number shows how many mines touch that square, including diagonally.
- Flag squares you believe contain mines. Flags are optional and do not end the game.
- Revealing a mine ends the board.
- The first selected square and all of its neighboring squares are guaranteed to be safe.
Difficulty levels
- Beginner: 9×9 board with 10 mines.
- Intermediate: 16×16 board with 40 mines.
- Hard: 16×30 board with 99 mines.
Controls
On desktop, left-click to reveal a square and right-click to place or remove a flag. On touch screens, select Reveal or Flag before choosing a square. The timer begins with the first reveal.
A brief history
Mine-finding computer puzzles appeared in several forms before Microsoft's version. Microsoft Minesweeper was released with the Entertainment Pack and became widely known when it shipped with Windows 3.1 in 1992.
Sources: Microsoft Learn and Microsoft News Center.
Privacy
Each board is generated locally in your browser. No account or network request is required.