Master Minesweeper
Master is our biggest board: 30 columns, 24 rows and 200 mines. It is not one of the original Windows levels. We added it for players who have outgrown Expert and want a longer, tougher game.
More than a quarter of the squares hide a mine. That changes how the game feels. Openings are small and rare, numbers run higher, and 4s, 5s and even 6s turn up regularly.
Master games take a while, and most of them need a guess or two along the way. Treat each board as a long puzzle rather than a race, and don't be surprised if some games end early.
Tips for Master
- Be patient with the opening. Your first click may reveal only a small patch, so read it fully before clicking again.
- High numbers are useful. A 5 or 6 with only a few covered squares around it often gives away several mines at once.
- Flag carefully. On a crowded board a wrong flag leads to a wrong chord, and that ends the game.
- Save the guesses for last. Clear every certain square first, since new numbers can make a guess unnecessary.
Want every board to be fair? No guess mode only deals boards you can clear by logic. The strategy page covers the patterns that help most on big boards.
Other boards
Questions people ask
How many mines are on a Master board?
Two hundred mines on a 30 by 24 board of 720 squares, about 28 percent.
Is Master harder than Expert?
Yes. The board is bigger and the mines are packed more tightly, so there are fewer openings and more forced guesses.
Is there a no guess version of Master?
No. At this density almost no board can be cleared by logic alone, so No guess mode stops at Expert.