RYB

Puzzle mechanic is clunky and not well teached to the player. Also broken and not fair...

okay, take my review with a grain of salt as i'm only 60% through the game - i may update if there's something wrong in what i said.
but i just couldn't help but to write this.
if you like sudoku-like puzzles and/or similar logical puzzles you're going to love this. i swear i'm ascending to the heavens.
as far as i've seen, there are no trial and error puzzles. at least, not because of a lack of hints - there is always only one possible solution. the way i found best to enjoy the game is to never click on a shape until you're absolutely sure that color goes there - as in, do the trial an error by yourself; and when the game adds new mechanics, do not move on until you understand what the hint really means. when you do it, solving each puzzle is an extremely gratifying feeling, one that i haven't got in any other game - trust me in this one, i've playing many browser puzzles over the years.
it is, clearly, not for everyone - thinking thoroughly and patiently is required to enjoy it - but it is a crime not to try it.
//note that when i first downloaded it, i didn't really understand how the game works - i didn't understand that dots' positions inside the shape don't matter and adjacent means sharing one edge, not one corner. so if you decide to try keep that in mind.
and... for fleb:
thank you for this game, and the controls are also very creative. maybe... add workshop, or a way to create these puzzles? i'm not really sure if this is doable by modifying the game files themselves, sorry for that one.
i'm gonna go back at the think grind, so please do install and try.

Good puzzles. They do an excellent job of teaching new rules with a few simple puzzles. And so far all puzzles can be solved logically, though for some, it can be tough to figure out how.
Edit: After completing the game, I can confirm that there is no guessing involved. My only complaint is that there are no puzzles that involve all the rules and the difficulty of the final puzzle was disappointingly easy when compared to many of the puzzles earlier in the game.

Nice and short puzzle game. Ngl, some puzzles I got by chance I feel, maybe I was just lucky but that last last one is weirdly easy, I think there's way harder ones in between the other levels.
Still, 2.5h cute puzzle game

Great puzzle game, no guessing required.
Due to its length and the lack of a notation feature, I wouldn't put it up there with Hexcells and Tametsi, though it is free to play. If this developer made a sequel that addressed these issues and better incorporated all of the game's mechanics into the final levels, I'd definitely buy it.

Very relaxing and interesting puzzle game. There are times where it makes no sense, but then it just clicks and it becomes fun to solve. This is a one of a kind

I am really enjoying this game! It's sort of like minesweeper, but very calming. One critique is that the sound effects can get a little monotonous at times