Train your mental abilities with the exciting fun new puzzle for the whole family! With 350 brain teasers you improve your logical thinking and power of concentration while playing.

Decipher mysterious riddles in order to capture hidden treasure. With magnet and feather stones you'll remove obstacles from the path, twin and bridge stones open seemingly blocked paths! Each of 350 challenges can be mastered in a few minutes – and can keep you occupied for days on end!

“Know How – Think and Play Outside the Box” supports German, English, French, Spanish and Italian languages. The application automatically matches the language programmed on the iPhone.