http://lalo.li/lsd/?ultra-hard-version
https://github.com/franzenzenhofer/lsd
origin - http://www.pipiscrew.com/?p=1727 app-l-s-d-line-square-dot-minimalistic-frameworkless-javascript-game
http://lalo.li/lsd/?ultra-hard-version
https://github.com/franzenzenhofer/lsd
origin - http://www.pipiscrew.com/?p=1727 app-l-s-d-line-square-dot-minimalistic-frameworkless-javascript-game