• OpenTTD main site

    OpenTTD is a open source clone of Transport Tycoon Deluxe, integrating loads of new features just like TTDPatch does.

  • OpenTTD manual

    The manual pages for OpenTTD.

  • TT-Forums

    The place to talk about Transport Tycoon, 'nuff said.

  • TT-MS Headquarters Forum

    In case your German is better than your English you might want to look at the German forums.

  • GRFCrawler

    Any new graphics for TTDX are stored in grf-format and can be loaded with the help of TTDPatch. When you are looking for new buildings, vehicles or other stuff, take a look there.