If you need to get busy while traveling, waiting for someone or just passing time, this app is a great way to keep your brain busy with fun questions like the ones you can see in the samples.
As you open the app, this is the first image that you will get acquainted with.
The menu has the following design, which allows you to choose the level you want to start with. The first level is free to practice but the following ones are not.
The first 3 Levels are designed in the following format.
Hint: Owls that look the same have the same value.
Level 4 Puzzles and Level 5 Puzzles have two numbers that simultaneously work on both questions.