I prefer Simon Tantham's version: https://www.chiark.greenend.org.uk/~sgtatham/puzzles/js/mines.html https://www.chiark.greenend.org.uk/~sgtatham/puzzles/js/mi

I prefer Simon Tantham's version: https://www.chiark.greenend.org.uk/~sgtatham/puzzles/js/mines.html https://www.chiark.greenend.org.uk/~sgtatham/puzzles/js/mine... The puzzles are guaranteed to be solvable without guessing, and middle mouse button works as expected, unlike minesweepergame.de.