Which project does this player open?
This source runs OpenTTD in a WebAssembly browser build. Its own version and save compatibility should be checked before moving files between the browser project and a desktop installation.
Launch and keep the complete view
After the optional survey, New Game and Generate create a transport landscape. Keep the top construction toolbar and bottom status strip visible. Save within the project and export an important save when that option is available; clearing browser data may remove local progress.
Project reference: openttd-web.pages.dev