To avoid getting yourself in a situation where you have to find that last pixel, try treating the world like a 2d maze and follow one side of the wall until the path eventually wraps back around.
The "You monster" achievement should be for killing the cat. I know that's what I told myself when I accidentally shot it because I thought it was invincible due to my fireballs not working on it before.
D: We are deeply sorry! We already knew about that typo, and we had it on our list, but, in the rush to release the third episode, we almost forgot it.
We'll correct it right now! We hope you're enjoying the game, apart from this mistake, and thank you very much for your highlighting! :)
After reset, patterns and words show up as blue (Completed) even though they didn't count towards completion, to be specific. Can't do a thing about them.
Oh, and also, there's enough replayability in a level as it is that putting a timer is just annoying, especially since there isn't a clear 'goal' in each level.
Well... the English pronounce should be the same as 'kaos', we suppose. But you can even pronounce it "azerbajan" if you feel that way. :)