1. Open a field
Choose Play Mine Finder, then pick a board size. Tap or click a covered tile to begin. When an empty area opens, look at the numbered tiles along its edge.
2. Read one clue
A number counts hazards in the tiles touching it, including diagonals. A 1 means exactly one of those neighbors contains a hazard. Start with a clue that has only a few covered neighbors.
3. Find a certain hazard
Suppose a revealed 1 touches exactly one covered tile and all its other neighbors are revealed. That covered tile must contain the hazard. Right-click or long-press it to place a flag. On touch screens, you can also use Flag mode.
4. Find the safe neighbors
Now look for a 1 touching that flag. If you know the flag is correct, the clue already has its one hazard accounted for. Its other covered neighbors are safe to reveal. For a 2, you need two correctly flagged neighbors before using the same reasoning.
5. Clear a group with a chord
When the flags around a revealed number match that number, double-tap the number to reveal its remaining covered neighbors together. You can also choose Chord, then select the number. Check your flags first: matching the count does not prove the flags are in the right places.
6. Keep following the clues
Repeat these steps as new numbers appear. If a clue does not give you enough information, check another part of the field before guessing. You win by revealing every safe tile; placing flags alone does not finish the game.