OpenTTD - Transport Tycoon Deluxe Clone - Version 0.5.2 No need to download the full game of transport tycoon when you can use Openttd : A clone transport tycoon deluxe, for free!OpenTTD is an excellent clone of Transport Tycoon Deluxe, a great game originallywritten by Chris Sawyer from Microprose.It attempts to copy the original transport tycoon as closely as possible while offering many more new features.