The editor is online only but the game source files will be able to be executed offline at some point in the near future. The engine is not yet open sourced but I’m open to the idea. Treat this as a preview for now.
It is important that I keep the site up and running, so don’t worry too much about that. I can’t guarantee 100% uptime, but if there is any hosting issue, it will be dealt with swiftly.
In the meantime, if you develop anything large on this engine, I recommend copying and pasting into a locally stored textfile. Your game source code will also be stored in web storage too so next time you visit, you will get it back.