Minesweeper Expert

Expert board: 16x30 grid with 99 mines. Only for the brave!

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How to Play

Left click to reveal a cell. The first click is always safe.
Right click (or long press on mobile) to place a flag.
Numbers tell you how many mines are in the 8 surrounding cells.
Click a revealed number with the right amount of flags around it to reveal remaining neighbors (chord).
Reveal all safe cells to win. Hit a mine and you lose.
This is the expert board with 99 mines across 480 cells. Use patterns and logic!

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Frequently Asked Questions about Minesweeper Expert

What is Minesweeper Expert?
Minesweeper Expert is the hardest standard difficulty with a massive 16x30 grid containing 99 mines. With 480 cells and a 20.6% mine density, it requires advanced pattern recognition, logical deduction, and sometimes calculated guesses.
How hard is expert Minesweeper?
Expert is significantly harder than beginner or intermediate. The large board means more complex patterns, and the high mine density creates many situations where you need to chain multiple deductions together. Even experienced players often lose to unavoidable 50/50 guesses.
What is a good time for expert Minesweeper?
Finishing an expert board at all is an achievement! Under 5 minutes is good, under 2 minutes is excellent, and under 1 minute puts you among top competitive players. The world record is around 30 seconds.
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About Minesweeper Expert

Minesweeper Expert delivers the ultimate test of logical deduction with a large, densely mined grid that demands precise reasoning and careful planning. Every click matters on the expert board, where a single misread can end your run. Experienced players develop advanced techniques such as counting remaining mines in a region, identifying forced patterns where only one valid mine arrangement exists, and using probability estimates when pure logic reaches its limit. The timer adds competitive pressure, encouraging you to balance speed with accuracy. If you can consistently clear expert boards, your pattern recognition and logical reasoning skills are operating at an elite level. This is the difficulty that separates casual players from true minesweeper masters.

How to Play

  1. Click to reveal cells and study the number clues carefully
  2. Use advanced deduction techniques like counting remaining mines in confined areas
  3. Flag confirmed mines and use chord-clicks to auto-reveal safe neighbors
  4. Clear every safe cell on the large expert grid to achieve victory