This app isn't in any of our charts yet.
- Fixes bugs ans improvements - Add Hint button Link to Facebook page!
Knock and Open!
Knock, Knock, Knock. Get the door open and go through it! Stage cleared! Every level provides a unique challenge with a creative combination of objects: They may rotate, swing, wave, bounce, fly over or rock&roll. Watch carefully, plan ahead and go for it. Make sure to knock on them for a certain number of times to open the door. No more, and no less! 160+ stages are ready for you. How many of them can you go through? Try now!
past month, based on 1 day
Downloads
Low confidence417
From install count (release date unknown)
In-app revenue
$0
No in-app purchases
Ads
$0
No ads
Total
$0
In-app + ads
Google Play only. Downloads from daily Top free ranks (or the store's install count); in-app revenue from Top grossing ranks, calibrated on AppTweak's US estimates, or else from downloads; ads from public ad benchmarks. Not reported figures.