Skip to content
Minesweeper

Minesweeper 18x18

18×18 grid with 50 mines (15.4% density)

Quick Presets

Grid size: 18×18 = 324 cells

Mine density: 15.4%

About the 18x18 preset

This is a starting point for the custom game builder: a medium 18×18 board carrying 50 mines across 324 cells, or 15.4% density. That puts it in the same difficulty band as Intermediate (40 mines on 16×16), so what changes here is scale rather than difficulty — 274 cells to clear instead of 216.

Grid Statistics

  • Total Cells: 324
  • Mines: 50
  • Safe Cells: 274
  • Mine Density: 15.4%

Tips for This Size

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

Frequently Asked Questions

Is 18x18 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 274 safe cells out of 324 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.