Betty & Earl is an open source, HTML5 browser game built with PhaserJS and a sprinkling of BackboneJS. P&H is currently under steady development. Expect new levels every week!
You can view all source files on github here: https://github.com/GiantLightStudios/princess-and-...
Licenses and other info available here: https://giantlightstudios.github.io/princess-and-hero/
The content I create is 100% free, but if you are interested and able to fund development, please consider donating here, or on Patreon: https://www.patreon.com/giant_light_studios.
Thanks for your time!