Controls and storage
Left-click opens, right-click flags. State lives in localStorage and optional .save files. Nothing is uploaded.
Windows-style Minesweeper. Saves and replays stay in this browser.
Difficulty
0:00
Save / Load
You can save or load game state as a file. Files saved during gameplay are save files, and files saved after game over are replay files.
- Game state is automatically saved to browser storage. To save as a file, click the "Save" button.
- To load a saved file, click the "Load" button and select a file.
- Game state is automatically saved to browser local storage and persists after page refresh.
- Loading a file saved after game over will start replay mode.
Example
If a 1 has one adjacent flag, the rest are safe. Chord-click to open them.
Game Rules
Left-click to open squares, right-click to place flags. Numbers show how many mines are in the 8 surrounding squares. Win by opening all safe squares. Clicking a mine ends the game. Use wheel-click or left+right click to quickly open remaining squares around a number.
Difficulty Guide
Easy: 9×9 board with 10 mines, suitable for beginners. Medium: 16×16 board with 40 mines, suitable for regular players. Hard: 30×16 board with 99 mines, challenging for advanced players. Custom: Set your own board size and mine count.
FAQ
Are saves uploaded?
No. Only browser storage and local .save files.
How far can undo go?
One move. Replay uses a file saved after the game ends.
How big is custom?
Width/height 5–50, mines limited by cell count.
