I worked on this some time ago, but never finished it.
Because of this i will give away the WIP Platformer Rageman to the community,
you can use the code in your own projects or for learning purpose, and also use
the assets in your projects if you like. Credits would be nice.
Default it's for NW.js, so you should have it installed or change to your browser in the settings.
Arrow Keys - Move left, right, Jump
Arrow Down - Headkick
R - Start Game
P - Pause Game
Alt+Enter - Switch Screen to Full/Windowed (with NW.js)
download capx here: