Marble Mineplan
Clear this cut-out board. Voids do not count as neighbors. Numbers count all touching mines in the remaining layout. Flags are notes; revealing a mine loses.
How to play & source
Clear this cut-out board. Voids do not count as neighbors. Numbers count all touching mines in the remaining layout. Flags are notes; revealing a mine loses.
Touch the tiles and controls. Keyboard: Tab, Enter or Space activate any button; arrows move in movement games. R restarts; Z undoes calm puzzles. Cell numbers are shown in each tile’s upper-left corner.
Mechanic research: Minesweeper ClassyOriginal small-board interpretation, not an official port. Original code, names, layouts and CSS-drawn tiles. No external assets, trackers or network requests.
New tactical layer
Compare two revealed clues by subtracting nested unknown-neighbor sets. The tool explains when the extra cells are all safe or all mined, while respecting voids and treating flags as assumptions.