Like crosswords but with squares and numbers. This game is based on the asian riddles known as picross, griddler and nonogram. It’s a real mind challenge wrapped in a fun experience where you need to think and use your brains to succeed.

To decipher our puzzle grids, you will use numbers indicating which squares to activate in each grid based on simple rules. Each number tells you where to add squares in a row or a column. You can compare it to sudoku or crosswords with more fun brain training. You will learn easily, progress rapidly and quickly get addicted! It will blow you mind!

Riddle Stones offers a fascinating cross-over between crosswords, sudoku, minesweeper and other puzzles based on numbers where you cross the hints to find which squares to activate. But be careful and think right, if you tap the wrong square, you will trigger a trap!

Fans of picross, nonogram, griddler, paint by numbers rejoice and enjoy Riddle Stones...
Solve grid cross-puzzles by logic & deduction! PLAY NOW!

Also available on Facebook.

Riddle Stones is completely free to play, but some in-game items such as extra lives require payment.

What's New

Version 4.5.3

Balance update for the smartphone version!
- Reduced difficulty: better grid distribution on the hardest to avoid them seeming random

Ratings and Reviews

3.6 out of 5

183 Ratings

183 Ratings

After a point....


The point docking makes no sense... how do I lose 111 points this round but only 65 the last one? Also, the energy things are pretty useless, take 75 energy points and give me maybe 5-10 if I’m lucky? And then when you’re at the bottom nothing at all unlike the first game you can’t STOP getting the energy.

Also. Does anyone else have the problem of the same problems coming up constantly? I’ve played a couple of these sets MULTIPLE times, enough to just slide my finger across the face of my phone to end up done in less then 4 seconds due to memory. A couple NEW ones would be cool. After you hit level 320 it’s the same stuff though.

WAS a great app


I’ve had this app for about a year, I think. It used to be amazing! There was never any glitches. I started playing again yesterday after not paying for a while and the app glitches so soon into playing that I don’t even want to play anymore. It gets really slow right around the second game and I have to wait for my spots to get ticked... it’s really annoying and slows down game play and does not go away until you close out the app, but then it happens again when you restart. I’ve even tried restarting my phone and that didn’t help either.

Riddle stones

Little Charleigh

I don’t think there is a rhyme or reason to the amount of points lost when making mistakes in the game. I understand losing lives or having to refuel life’s but I don’t understand why sometimes you lose 2 points and sometimes you lose 60 points. It makes no sense and is very frustrating. Especially when my big fingers miss a box on accident and suddenly I’m waiting two hours for lives. But the game is so fun and runs well. I just wish it was more consistent in the points area or did like “three miss taps and you have to wait for lives” something consistent. Even if it’s a small amount.


116.5 MB
Requires iOS 5.1.1 or later. Compatible with iPhone, iPad, and iPod touch.
English, Dutch, French, German, Italian, Portuguese, Spanish
Age Rating
Rated 4+
© 2013 ooblada
In-App Purchases
  1. 10 Gems $0.99
  2. 100 Gems $8.99
  3. 10 Gems $0.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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