• Logic Master Detective Free 1
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Logic Master Detective Free

The famous Classic paper grid Puzzles now on your Device.Use the clues and fill the grid to solve the puzzle.
20 grid-based logic puzzles ranging from beginners to expert.

If you're completely stuck, you have the option to check for errors.

Category : Puzzle

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Reviews (27)

Kai. C. Jul 31, 2019     

this game would be ok if you could read the text, easily pick a square without every one next to it reacting, and if that damn pop up ad didn't block the last clue... i deleted it over that.

Ren. G. Oct 7, 2018     

Blocks are too small and if you make an error the grid has to be cleared...seems like it would be interesting to play if error correct was installed

Hel. A. Nov 15, 2018     

Sorry, good game but boxes way to small and no back option, just clear grid

Con. C. Mar 17, 2019     

To small to read, but looks fun I have bad eyes

Jo. P. Jan 16, 2021     

The clue list is to small and you cant enlarge it.

Deb. R. Nov 12, 2017     

Too tiny, can't mark the proper square, tried several times. Can't believe with its flaws there is a sequel.

A. G. u. Dec 8, 2017     

I bought and still have adds and I came back for refund and couldn't plz fix this

Amy. P. Sep 16, 2017     

I couldn't see the whole screen

daz. c. Dec 4, 2017     

Ads keep covering the levels

F. F. Jul 13, 2016     

Brilliant choice of decent puzzles. Sadly no Zoom, which makes these challenging grids hard to fill in, will rate it 5-star if they add zoom. I switch off autofill because if you make mistakes with autofill on, you can't correct them. Miss a square and it brings up a full screen ad. Also, Puzzle 1 has a Street in the clues and an Avenue on the grid. In Puzzle 12, I believe Clue 5 should end with " an overdraft Limit of $75.".

Sus. C. Jan 21, 2017     

Not only is the writing very tiny and hard to see, the grit is so tiny even using a stylus you mark boxes on any side of the one you actually want to push. Once you get several boxes marked is very frustrating. It's a shame you can't zoom to make the game more user-friendly because if it weren't for the tiny grid that's really hard to use and the tiny lettering that for some will be difficult to read and the frustration of marking every box but the one you want to because it's so tiny it would be fun

Jay. N. Jan 12, 2017     

Words and squares are TINY. It's really easy to mark the wrong square. Makes it very difficult to play.

Jef. M. Feb 23, 2017     

Crashed every time I tried to load puzzle 16, and puzzle 19 had an incorrect clue...

Chr. B. Oct 22, 2016     

Sufficiently challenging, but he grid is too small. The action on positive marks does not automatically put an X on the incorrect boxes. The action buttons are too big and placed too close to the grid, i.e. "clear grid" is too easy to inadvertently bump.

Dav. B. Jan 5, 2017     

Maybe good but will never know as it will not open. Tried uninstalling and reinstalling, still does not work.

Sno. Sep 29, 2016     

Whenever I tap on puzzle 16, the app stops working. No other puzzle has this problem. It's a bug that needs to be fixed for a 5 star review

The. C. Sep 5, 2016     

Every time I go to open the app and push start it closer and says "logic master is not responding", it does this every time I try to open it and play the game. Other than that its fine and fun...

Kel. J. Oct 13, 2016     

No zoom makes it hard to read and also no automatic blackout of elimination.

A. G. u. Feb 8, 2017     

Puzzle 16 will not load - APP crashes. (Don't you check your games?) Puzzle 19 while it is solvable, the solution does not match what the game expects for the answer. actual solution is: AG745 BB730 ER800 SP815 WRG700 Program expects AG745 BR800 EP815 SB730 WRG700

Sta. W. Jan 20, 2017     

Grid too small and can't zoom, no undo

Syd. S. Dec 5, 2016     

Hard to read, too small.

Mic. S. Dec 20, 2015     

Would-be much higher on stars if you could zoom in on the grid. It is too difficult to fill in the grid.

Jea. V. May 6, 2015     

The app has been updated, but there is still no way to zoom in on the grid. This app is best for a tablet

Lei. M. Feb 8, 2015     

I've enjoyed logic puzzle grids for years and am delighted to find an electronic version. However, the grid is very small so accuracy suffers: I can't find a way to enlarge the grid so I'm constantly checking/unchecking the wrong boxes. If I have auto check off, I spend tons of time trying to remember what should have been checked before I accidentally unchecked it in my attempts to cross out surrounding boxes. If I have auto check on, it's impossible to undo accidental checks.

Cat. C. Feb 6, 2015     

Both versions of the game have errors--you select what is the only correct answer, yet it kicks back as wrong.

Jen. D. Dec 31, 2014     

When Autofill is on, all the x's in the row should disappear. Currently you can only erase errors which helps you cheat or clear the whole grid.

Kri. F. Nov 30, 2014     

Need to have the ability to save and resume later