Third experimental version. 

* Earn achievements to unlock levels
* Performance improvements
* Background sky and clouds
* Easier to see layout of health information
* Highlight combo's using animation
* Emphasis on polish (particle effects, minor tweaks to sprites, sky and clouds, etc)

Please feel free to provide feedback so we can make this as fun and challenging as can be.

Support further development at https://github.com/sponsors/pserwylo.
