Version: 2017.3

PlayerSettings.visibleInBackground

매뉴얼로 전환
public static bool visibleInBackground ;

설명

On Windows, show the application in the background if Fullscreen Windowed mode is used.

This setting is used with the Fullscreen Windowed mode. If this setting is false and you Alt-Tab out of the application, it will minimize. If this setting is true, the application will not minimize and remain visible behind other windows.