About Grid Clues
Grid Clues is a logic puzzle played on a nine-by-nine board with ten hidden mines. Every tile you reveal shows a number from 1 to 8 — that number is the count of mines in the eight squares touching it. A tile with no number means none of its neighbours are mined, and the game clears that whole empty area for you. The rest is deduction: combine overlapping clues, mark the squares you are sure about, and work your way across the board.
There is no clock and no penalty for thinking. Your first tap is always safe, so a run never ends before you have had a real clue to work with. Clear all 71 safe tiles to win; open a single mine and the run ends with the whole field revealed. Flags are optional — they are just a way to keep track of your deductions — and on a phone a single button switches between revealing and flagging.
How to play
- Tap any tile to reveal it. The number shows how many of the eight neighbouring squares contain a mine.
- Use the FLAG button (or right-click on desktop, or the F key) to mark squares you believe hide a mine.
- A blank tile opens the surrounding area automatically, so one good first tap often clears a large region.
- Reveal every safe tile to win. Your first tap can never be a mine.
Tips & tricks
- Start from the edges and corners: fewer neighbours mean the numbers there are much easier to resolve.
- If a tile shows 1 and only one of its neighbours is still covered, that covered tile must be the mine.
- Flags do not affect the result — use them as notes, and do not waste time marking squares you already know are safe.
Scoring & progression
- The board is the score: there are 81 tiles, ten mines and 71 safe squares, and the win condition is revealing all 71.
- There is no timer bonus, streak multiplier or penalty for placing a wrong flag. Flags are notes and do not affect the result.
- Opening a mine ends the run immediately and reveals the whole field; there is no partial score carry-over between boards.
- A completed board reports a win to the portal for XP, badges and daily-challenge progress, and a best score is kept in this browser.
Stages & bosses
- First reveal — mines are generated only after this tap, excluding the tile and all eight neighbours, so it always opens a safe area.
- Early deduction — edge and corner clues have fewer neighbours and are the easiest to resolve.
- Overlapping clues — the middle of the board, where a single number must be cross-checked against several others.
- Final clear — the last safe tiles and the win check; there are no waves, levels, bosses or difficulty settings.
Frequently asked questions
How many mines are on the board?
Ten, on a nine-by-nine grid. That leaves 71 safe tiles to reveal. The mines are placed after your first tap, and never in the 3×3 area around it.
Is the first tap really always safe?
Yes. The mines are only generated after your first reveal, excluding that tile and all eight neighbours, so your opening move always uncovers a useful empty area.
How do I flag a mine on a phone?
Tap the FLAG MODE button below the board to switch into flag mode, then tap the squares you want to mark. Tap it again to return to revealing. You can also press F on a keyboard or right-click on desktop.
What happens when I hit a mine?
The run ends and all ten mines are revealed so you can see where your deduction went wrong. Your score and best score are kept, and New Game starts a fresh board.
Version history
- November 13, 2026 — Guide expanded with the exact board counts, the first-tap mine exclusion and the win condition. No gameplay change.
- Current build — 9×9 board with ten mines, safe first reveal, automatic blank-area clearing, flag mode, F key and right-click, local best score, portal result reporting.
Play tips
Stay safe out there — no games while driving or crossing the street.
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