Knock in Doors

It would seem, what could be easier than opening the door? All you need is a key. But what if it is not? Knock - and you will open. You just need to be able to reach ...

How many doors can you open?

Try a new, unlike other puzzle! “Knock in doors” is a unique project that has no analogues and is addictive from the first ... knock! The game helps to develop a musical ear, sense of rhythm, attentiveness and trains memory. In the form of a game will help develop all the necessary qualities for future artists, musicians and dancers.

• Free access.
• Ability to play without an internet connection.
• Simple control.
• Suitable for both adults and children.
• It weighs a little.
• Play conveniently on any device.
• It has two modes (with sound and vibration mode) that will allow you to play in any situation and under any conditions.
• Does not contain scenes of violence, profanity, does not injure the psyche.