• TTDPatch main site

    TTDPatch enhances the game in uncountable ways, so make sure you go there and get familiar with that program.

  • TTDPatch manual

    If some switch setting is not clear, look it up.

  • 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.