Minesweeper Extreme (hardest)24×30, 170 mines

Extreme, the hardest difficulty: 24×30 with 170 mines, a density you won't see anywhere else. There is still never a 50/50, so reasoning alone will solve it. No sign-up, and the first 100 stages are free.

Good forPlayers who have conquered Oni and want boards few can read through.

  • Board24×30
  • Mines170 (24%)
  • Rough timeCan take 1 hour or more
  • Name in the gameExtreme

Play Extreme now (first 100 stages free)

The key to Extreme: working outward from a 1-1 by a wall

What you need on Extreme

Nearly every cell sits among several numbers, and you keep having to read a wide area together.

The rules and patterns (such as 1-2-1) are explained with pictures in How to play Minesweeper, with tips.

How Easy, Medium, Hard, Oni and Extreme differ

Easy, Medium and Hard are the classic Beginner, Intermediate and Expert, with the same sizes and numbers of mines. Above them come Oni and Extreme. The higher the share of mines, the more often you have to read several numbers together.

DifficultyBoardMinesDensity
EasyClassic: Beginner9×91012%
MediumClassic: Intermediate16×164016%
HardClassic: Expert16×309921%
OniBeyond the classic sizes20×3013022%
Extreme (hardest)Beyond the classic sizes24×3017024%

Puzzle Lounge's Minesweeper

  • No luckEvery board can be solved to the end by reasoning alone. You never get a 50/50.
  • Free, no appIt plays right in your browser on a phone, iPad or PC.
  • 1000 stagesEach difficulty has stages that get harder little by little. The first 100 are free. From stage 101 on, you play with the Lounge Pass or tickets.
  • Daily board and This week's boardEveryone races the same board, with rankings and replays to watch.
  • Online co-op and racesSolve the same board with friends, or race them.

Questions about Extreme

How big is Extreme, and how many mines does it have?

24×30: 720 cells with 170 mines. That's close to 1 mine in every 4 cells.

Can it really be solved by reasoning alone?

Yes. Even on Extreme, the hardest difficulty, a computer checks as each board is made that it can be solved to the end by reasoning alone.

Can I stop partway through?

The board saves automatically, so you can close it and carry on later.

Play Extreme

Other difficulties

Minesweeper EasyFirst-timers, players who want a refresher on the rules, and anyone who wants just one board in a spare moment.9×9, 10 mines → Minesweeper MediumPlayers who can solve Easy and want a bit more to think about, or want to learn and use patterns like 1-2-1.16×16, 40 mines → Minesweeper HardPlayers who find Medium too easy, want to cut their times, or want a Hard they can't lose to luck.16×30, 99 mines → Minesweeper OniPlayers who solve Hard with ease and want the deepest reasoning Minesweeper has to offer.20×30, 130 mines →