Paweł Wojciechowicz from Cat-astrophe Games ( https://cat-astrophe-games.com/ )
did all the fantastic graphic work for this demo!
Thank you!

Shared on the same terms as the rest of Castle Game Engine
(GPL >= 2 or LGPL >= 2 with static linking exception, see COPYING.txt).

The sources for `dragon` (in Spine) and `background` (in Blender)
are available in the `data-source/` subdirectory.
TODO: The sources for `clouds` and `trees` are unfortunately not available anymore.
We will recreate them one day -- submissions are welcome!
