Can you make the screen yellow in all 50 levels?Each level has its own logic.Do you need help? Use the light bulb button that will appear after a while in the bottom right of each level to get a hint. There are multiple hints for each level.With the premium unlock in-app you will not get ads before the hints.A Bart Bonte / bontegames puzzle game.
Operating System iOS
System RequirementsRequires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.