Is 20x20 a good size to learn on?

It is a solid mid-sized challenge once you are comfortable with Intermediate.

How many safe cells are on this board?

There are 335 safe cells out of 400 total cells.

Can I tweak this preset?

Yes. Use the custom settings above to adjust width, height, or mine count and start a new game.

Minesweeper 20x20 - 20×20 Grid with 65 Mines

Minesweeper 20x20

20×20 grid with 65 mines (16.3% density)

Quick Presets

Width (5-50)

Height (5-50)

Mines (1-140 for this grid)

Grid size: 20×20 = 400 cells

Mine density: 16.3%

About 20x20 Minesweeper

This 20x20 grid offers a unique challenge with 65 hidden mines scattered across 400 cells. At 16.3% mine density, this configuration provides a balanced experience.

This is a medium board with a balanced mine layout, making it a great fit for focused problem-solving sessions.

Grid Statistics

Total Cells: 400
Mines: 65
Safe Cells: 335
Mine Density: 16.3%

Tips for This Size

This medium grid balances challenge and play time. Focus on clearing large areas first.

Frequently Asked Questions

Is 20x20 a good size to learn on?: It is a solid mid-sized challenge once you are comfortable with Intermediate.
How many safe cells are on this board?: There are 335 safe cells out of 400 total cells.
Can I tweak this preset?: Yes. Use the custom settings above to adjust width, height, or mine count and start a new game.