OpenTTD

OpenTTD server not showing up or unable to connect

Use OpenTTD with the same version as the server and the NewGRF content required by its game. Show in masterlist? controls discovery; an unlisted server can still be reachable directly.

If joining fails

A content mismatch after a successful connection needs the correct NewGRFs or compatible save, not a different network port. Record the exact missing-content message.

  1. Open Console and wait for the game or world to finish loading. Save the first error if startup stops.
  2. Use the joining method above with one client on the matching game version and required content.
  3. If entry is rejected, compare the exact error with the password, edition, map or authentication checks above. Keep the working save while testing.

Related guides

OpenTTD server settings: Startup and configuration · Fix an OpenTTD client that cannot join because of missing NewGRFs

Documentation

Server configuration reference · Project documentation 2

OpenTTDTroubleshootingGame panel
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