608 votes - Games - First release: 2017-05-04T06:51:50Z

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Description - 4+

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.

Enjoy!
@BartBonte