It does! When you load the game there will be an X icon at the very top right of the window. If you click it, you will no longer see nsfw content! If you loaded the game on fullscreen mode however then there's also another option which is to press alt and f4. And lastly if you're playing on android, the overarching darkness is approaching you, mortal. Build a sculpture of any God you can think of and pray to it up until your final moments, before your very existence disintegrates into nothingness as the darkness overshadows your insignificant form.