my screen paused and would not move for three weeks

Riddle #45 makes no sense. There is no way to report nonsensical answers. Hopefully the creators care enough to check reviews and remedy this one stupid puzzle. If you are about a user then the answer is 82. I hope this saves you time and funds because I was really disappointed. Hopefully this is the only one but I will now suspect difficult problems could have equally random “solutions”.

To hard Gyat Gyat Gyat

it is the way it should be? The button NO ADS version is nowhere to be seen.

they don't give the correct parenthesis, (example 3 3x3-3 answer is completely different from 3 (3x3)-3; so of course your first guess is incorrect. then you guess different scenerios and eventually you get it correct. Each time you answer incorrectly, they take off a point on your IQ test and make you feel like an idiot.

I am certain I solved puzzle number 7 but the game does not acknowledge the solution and let me move on - very frustrating

There are some puzzles that seem to have typo, or illogical reasoning. There are no helps or clues or means to check answer and learn or verify mistake

I think the game could be fun and challenging but when you get stumped and need a hint then you can choose to watch an ad or buy hints. Unfortunately, the ad watching doesn’t work, is this intentional? Manipulate you into buying hints? If so, then it is deceptive and dishonest

The math riddles are fun. Even if you don’t know math.

This is a good warmup for whenever I'm about to dig into some quant-heavy work. Gets the brain going and it is enjoyable too!