I quite enjoyed this. At first I wasn't really thrilled about the fact that there seemed to be no instructions at all. But once I accidentally solved the first puzzle, and started to piece together how things work, understanding the logic of the puzzles was definitely part of the fun. Even solving a puzzle the wrong way, having the logic fail to work on the next puzzle, and needing to go back and check for other patterns never felt tiring or frustrating. So, good job!
Nothing glaring jumped out at me on the dialog, but I wasn't really paying attention to it, to be honest, I was more interested in getting to the next puzzle. If I have time, I can take another pass through and check that.
The only thing that really irked me a bit might have been the mouse control. It felt a bit inconsistent at times - needing to be close to something to click it, I found the positioning was sometimes a bit picky - I can't really put my finger on it right now. Oh, and when clicking on a sign to read it, if you don't move the mouse off the sign before dismissing the last dialog box, it just immediately triggers the sign again - first time that happened I thought I was stuck in an infinite dialog loop.