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.
What is Minesweeper?
Minesweeper is a classic puzzle game where you must find all safe squares without hitting hidden mines. Numbers indicate how many mines are in the surrounding 8 squares, and you must use logic to deduce mine locations.
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.
Key Features
- 4 difficulty levels (Easy/Medium/Hard/Custom)
- Question mark marking feature
- Game board zoom in/out
- Game screen capture
- Real-time timer and mine counter
- Classic Windows Minesweeper style
- Undo feature (revert one move)
- Game recording and replay with playback speed control
