DXOpal Game development framework for Opal, has similar API to DXRuby How to use see https://yhara.github.io/dxopal/ License MIT (including images and sounds under examples/) Acknowledgements Opal DXRuby Bxfr examples/apple_catcher/sounds/Explosion2.wav is made by this Contact https://github.com/yhara/dxopal