Unlike many other versions, I did not want to involve any Flash but rely on 100% on an HTML stack. The game works well in Chrome and Firefox, despite a few issues for the latter.
The whole was written purely with Notepad++ and intermittent Internet access, making the whole process longer but much more interesting, as I had to solve many issues by myself without immediately googling for help. In this regard, the development tools of Chrome have proven to be essential, allowing dynamic inspection of the HTML as well as of the SVG components.
Further details on how to play are available on the page itself: