Spot 5 differences on 20 levels - Complete perfectly to remove adverts.
Can you complete all 20 levels with all three stars on every level? - if you so the adverts will be disabled woohoo ;-)
Listen to simple chill-out tunes whilst keeping your brain active and your eyes sharp!
Last updated on 2016年02月19日
Minor bug fixes and improvements. Install or update to the newest version to check it out!
