I did not expect so much of a story. The art assets are good, but there is a small inconsistency.
I think this needs a better introduction. Introduction is very important, I was clueless about what the puzzle actually is and the steps labeled does not help much and could be a little misleading. I find the first and second parts mismatch between system and the real world. These should be something common enough for common people to be able to think of. And the key item(the potion in this case) should be easy to obtain. Hard to obtain items are acceptable for non key items. The hint should be more clear. If the hint is the text then the text should have different font color.
I am able to complete the game despite being clueless for almost 5 minutes on some part and was skeptical about continuing the game. As much as I like the game, I strongly recommend making the introduction better. Because that may be the common part where the player would choose to leave or stay.