The classic logic puzzle
Under some squares a mine is hidden. Tap a square to open it. A number shows how many of the eight neighbouring squares contain a mine; an empty square opens its neighbours automatically. Use logic to work out where the mines are, mark them with a flag, and open every other square to win. Your first tap is always safe.
Choose easy (9×9, 10 mines), medium (16×16, 40 mines) or hard (30×16, 99 mines – shown upright on phones). On a computer, right-click places a flag; on a phone, long-press or switch on flag mode. Tap an opened number whose flags are complete to open all its other neighbours at once.
How to use
- Choose a size and tap any square – the first one is always safe.
- Read the numbers: each tells how many mines touch that square.
- Flag mines with right-click, a long press, or flag mode.
- Open all squares without mines to win. Your best times are saved.
Ideas for using it
- Coffee break. an easy board takes a minute or two.
- Logic training. medium boards need careful reasoning, not guessing.
- Speed runs. beat your best time on the hard board.
- Tip. a 1 next to exactly one closed square means that square is a mine.