Hard Minesweeper
16×16 · 40 minesA calm logic puzzle experience. Your first click is always safe.
Time0:00Mines40
Best—16×16 · 40 mines
Cursor: R1 C1 · First click is always safe
Click to open. Right-click, long-press, or press F to flag. Click a number with its flags already placed to open the rest. Arrow keys move, Enter or Space opens.
More options
Replay board keeps this exact mine layout and hides everything again — so the first click is no longer protected, because you have already seen the board. Clear Saved deletes the saved game for this difficulty and deals a new one.
Hard Minesweeper Online
The classic intermediate board: 16×16 with 40 mines. This is the standard benchmark most Minesweeper times are measured against. That is 16% of the grid mined.
Quick Tips for Hard
- Chord as soon as a number's flags are complete — it is where the time goes.
- Learn the 1-2-1 and 1-2-2-1 patterns along a wall; they solve themselves.
- Keep the flag count honest; the mine counter is your check on the whole board.