This runs on HTML alone?! I hadn't noticed that. I just confirmed that it's working now. Since Python was the first file I noticed...๐
And... it looks like the page you mentioned doesn't offer a downloadable version.
Ever since 2D Fighting Maker — which used to be part of the same series as RPG Maker — stopped being sold, there have only been a few high-level engines for fighting games, such as M.U.G.E.N, so I'm really looking forward to this. ๐