This is habbo origins in web version.
It has only static files, generally it will not cause problems in hosting.
Open the br.html or br-fill.html file in your browser to play in the Brazilian server.
Open the us.html or us-fill.html file in your browser to play in the English server.
Open the es.html or es-fill.html file in your browser to play in the Spanish server.
Open the dev.html or dev-fill.html file in your browser to play in the development server.
Copy %appdata%/Habbo Launcher/downloads folder and paste in this project root, overriding the downloads folder.
Special thanks to http://classichabbo.com, for the web files.