Looking for mines on triangular or square fields. You needn't have luck to win and you must not guess. The computer transposes the mines during a game. It will help you at the moments when numbers don't give you enough information to make a reasonable move.
The first click is always safe. On the contrary, you can select very hard level. Then you cannot guess and you will certainly die if you make any mistake.
You can choose mines density, colors, the grid scale, width and height.