This game has a lot of issues, and should be offered for free, at least 
until all the issues are fixed. My major complaint is that many of the 
puzzles have multiple solutions, but only a single designated solution is 
recognized as valid. For example, the puzzle at the castle gate requires 
you to fit together multiple pieces to fit into a frame; one of the pieces 
is a small rectangle that only solves the puzzle when inserted in the 
proper direction but fails to recognize it as solved when inserted in the 
same orientation but with the bottom at the top. Another example is the 
light, prism and mirror problem in the "city"... I managed to accomplish 
the stated goals, but the game did not recognize the puzzle as solved. 
Additionally, at least on my Samsung Galaxy S8+, at least one of the 
puzzles cannot be solved because one of the controls does not work for the 
puzzle. I reported the issue to support, was told to uninstall, and then 
reinstall the game to fix it, even though this meant that I would lose my 
progress in the game. In the interest of helping the developers, I went 
through this process, and worked my way back to the puzzle that originally 
did not work... it still did not work. Very frustrating to say the least. 
Lastly, the hint system needs a lot of work. Many times, clicking the hint 
simply points you to the map, leaving it up to you to choose the right 
location to move to in order to progress... if you're lucky. In my case, it 
kept pointing me me to the same location and the same puzzle, in spite of 
the fact that I obviously did not have the items needed to solve it. Don't 
pay for this game... it simply isn't worth it. I give up and will uninstall 
this game as soon as I submit this review. It has been a very disappointing 
experience and I won't recommend the game to anyone.