The game features 9 themes, 5 different weather conditions (with rain as a new weather condition) and tens of "world theme sets" that customize the world with a combination of settings, backgrounds, platforms, props, music tracks, ambient sounds and shaders.
All of the parameters can be toggled on the level editor to create unique settings and visuals. When you toggle the background of a world, a default set of settings is set up that fits the background, but you can customize it afterwards.
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On the animation above there is a combination of a frost theme, snow weather and winter world theme which adds specific background, music, ambient sounds and more to the world.
Themes sets the world's palette and affect the foreground and background colors, there are currently the following available themes: autumn, default, dust, frost, mist, neon, night, sunny and swamp.
There are hundreds of possible combinations to create unique themes and visuals. Feel free to experiment with them.
Update: I've recenly created a brief guide with screenshots to try to make the level editor even easier. There you can find most shortcuts and keys used on it. You can also trigger a help window by pressing the key "h" while editing a level:
The guide can be seen here: https://codeberg.org/glitchapp/Spinny-the-runner/wiki/The-level-editor
