ClueGrid: Logic Puzzles
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About this game
Every case is a locked room of pure logic. Read the clues, mark what must be true, eliminate what cannot be, and close the file.
ClueGrid is a grid-deduction puzzle game — the classic "Einstein puzzle", rebuilt as a noir detective's casebook. No timers pushing you, no lives to lose, no internet needed. Just you and the evidence.
HOW IT WORKS
Each case gives you a set of suspects and a handful of clues. Tap a cell once to rule a pairing out, twice to lock it in. Every clue you use narrows the grid until only one arrangement survives. Every puzzle has exactly one solution, and it is always reachable by reasoning alone — never by guessing.
WHAT YOU GET
• Endless cases — generated on your device, so the archive never runs out
• Difficulty that grows with you: 3x3 grids to demanding 5x5 boards
• Four kinds of clues — direct statements, denials, neighbour hints, and either-or dilemmas
• Shadow Files: every tenth case hides all direct clues. Nobody tells you anything straight.
• Three settings — a neighbourhood, a busy kitchen, a bus full of travellers
• Star ratings: solve a case with no checks and no wrong marks to earn all three
• Daily cases, a solving streak, detective ranks and badges to unlock
• Case archive with generated titles — every file has a name and a number
BUILT TO BE FAIR
Every puzzle is verified to have a single solution before it reaches you. The hint system explains its reasoning instead of just revealing an answer — it tells you which clue forces the next step, so you learn the technique rather than skipping it.
PLAYS ANYWHERE
Fully offline. Puzzles are generated on your phone, not downloaded, so ClueGrid works on a plane, on the underground, or with mobile data switched off. Your progress stays on your device — no account, no sign-up, no cloud.
Free, supported by ads. Rewarded ads are always optional: every case can be solved without watching a single one, and no ad ever appears while you are solving.
ClueGrid is a grid-deduction puzzle game — the classic "Einstein puzzle", rebuilt as a noir detective's casebook. No timers pushing you, no lives to lose, no internet needed. Just you and the evidence.
HOW IT WORKS
Each case gives you a set of suspects and a handful of clues. Tap a cell once to rule a pairing out, twice to lock it in. Every clue you use narrows the grid until only one arrangement survives. Every puzzle has exactly one solution, and it is always reachable by reasoning alone — never by guessing.
WHAT YOU GET
• Endless cases — generated on your device, so the archive never runs out
• Difficulty that grows with you: 3x3 grids to demanding 5x5 boards
• Four kinds of clues — direct statements, denials, neighbour hints, and either-or dilemmas
• Shadow Files: every tenth case hides all direct clues. Nobody tells you anything straight.
• Three settings — a neighbourhood, a busy kitchen, a bus full of travellers
• Star ratings: solve a case with no checks and no wrong marks to earn all three
• Daily cases, a solving streak, detective ranks and badges to unlock
• Case archive with generated titles — every file has a name and a number
BUILT TO BE FAIR
Every puzzle is verified to have a single solution before it reaches you. The hint system explains its reasoning instead of just revealing an answer — it tells you which clue forces the next step, so you learn the technique rather than skipping it.
PLAYS ANYWHERE
Fully offline. Puzzles are generated on your phone, not downloaded, so ClueGrid works on a plane, on the underground, or with mobile data switched off. Your progress stays on your device — no account, no sign-up, no cloud.
Free, supported by ads. Rewarded ads are always optional: every case can be solved without watching a single one, and no ad ever appears while you are solving.
Read the clues, mark the grid, close the case. Endless offline logic puzzles.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- No data collectedLearn more about how developers declare collection
What’s new
First release.
Endless noir logic puzzles that work fully offline: generated cases with a guaranteed single solution, four clue types, Shadow Files with no direct clues, daily cases, streaks, ranks and badges.
Endless noir logic puzzles that work fully offline: generated cases with a guaranteed single solution, four clue types, Shadow Files with no direct clues, daily cases, streaks, ranks and badges.
