Edit: Today, when I went to play, all of my existing puzzles had been wiped as if they had never been touched. While I'm glad that we can now replay puzzles in an attempt to get a better score, they have removed any form of showing where you left off. I now have no idea which puzzle I was on last and have to click around to find where I was.
Edit 2: And they've cleared all of my achievement progress with this new change...
This game is generally entertaining, but there are a couple of major issues I have. The first, and largest, would be the use of unheard of words. By unheard of I mean obscure animals, variations of existing "words" (an example being miaow, which apparently is the British version of meow), and some shorthand phrases you'd never expect to see. Another issue I have is after you beat a puzzle you can't play it again, even after some amount of time has passed.
Other than that it's a pretty fun game. I'm sure I'll finish the rest of the puzzles, albeit with some frustration when coming across thing like "sl" and "miaow".