Why scenes are darker in Playmode than in editor?

[Gimos]

Editor:
https://drive.google.com/file/d/0B1kTRoF4123cdzVNUURFcTdnLWM/view?usp=sharing

Game, Playmode:
https://drive.google.com/file/d/0B1kTRoF4123cUXZTLWhGZjVzUHc/view?usp=sharing

?

[Flashmangagames]

Most likely, you haven’t the lighting button on the scene view. To do that, click the light bulb icon on the top of the scene view.

[Gimos]

The effect was caused by the double image effect: ScreenOverlay.