Gravity Falls Theme Wallpaper. If you are a fan of animation series, most probably Gravity falls produced by Disney Television Animation, then you will love this windows theme pack that is just for you. This theme comes with 13 high definition wallpapers that are beautiful and lovely. Super fans will be astonished by this theme and will feel the thrill of the Gravity falls animation series. It is compatible with windows 7, 8, 8.1, and 10. It is also easy to download here. Get to fall in love with your desktop appearance with this windows theme.