Challenging, at least.
Seeing as it's supposed to be a challenging guessing game, I guess you've accomplished that, but it still lacks in some areas.
First off, there are plenty of these "impossible quiz"-like games, but this variation, where you have to solve a puzzle, and/or just be patient and look for the password, aren't very plentiful. Therefore, this can't be said to be unoriginal.
However, it's not very entertaining, because it's not too easy to know what to do all the time. You have to write in the password, but you don't know how to go about finding it. No hints or clues at all, until you actually find it. Of course you can press the '?' button, but that's like a last resort in most games, not the first thing you do. I'm glad you made it difficult, because often people make them too easy. You just should've fleshed out the instructions a bit.
The music wasn't very fitting. Seeing as this is a quiz, you should've used some more ambient music. The one you used sounds like it was from a battle, a very heroic fight to the death or something like that, which isn't the feel I get from the game. I'm not sure there's a deeper story to it, because I didn't finish it (I haven't watched/played any other of your games so I got stuck on such levels), but if there isn't, you should probably find some other songs. Having multiple choices so people can choose, and turn it off if they want to, will also benefit you.
I somewhat enjoy how you incorporated your other flashes into this one, but the way you're almost forcing people to play your older games to win isn't a very good one. I'm not sure what else you could do, but I don't like that feeling of being forced into doing something to play this game.
It's not a bad game. Graphically, it looks pretty good. Simple background with the actual puzzle in the middle. It's nothing exciting, but it works. The puzzles seem to be well-crafted. There language isn't the best, you might want to have someone proof read it for you before you release it.
Review Request Club