Build railways, roads and transport networks in a WebAssembly browser edition of OpenTTD. RadiantGames maintains this player and hosting integration; OpenTTD and OpenGFX contributors retain their original credits and licenses. Please use the external play-link option because our page cannot be embedded by another host.
Desktop mouse and keyboard recommended. Start a new game, generate the map, then use the construction toolbar. Keep important saves exported; a different browser or website does not automatically share them.
OpenTTD — RadiantGames browser edition was submitted to SlowDen by OpenTTD contributors; Owen Carter / RadiantGames host maintainer. SlowDen did not make this game - it is published here from the developer's own submission, added on 2026-10-25. It runs in the browser with no download, no install and no sign-up.