
Furthermore users wanted to play the game on more modern operating systems and alternative computer architectures which Transport Tycoon Deluxe, which was released in 1994, programmed in assembly language and designed for MS-DOS, did not support. The development of OpenTTD was driven by the desire to extend the capabilities of Transport Tycoon Deluxe to support user made additions to the graphics and gameplay. 1.1 Previous modifications to Transport Tycoon Deluxe.OpenTTD has been chosen as the favourite (free) game in 2005, 2007, 20 by users of the Hungarian Unix Portal. According to a study of the 61,154 open source projects on SourceForge in the period between 1999–2005, OpenTTD ranked 8th most active open source project to receive patches and contributions. OpenTTD is under ongoing development and is a popular open source game. OpenTTD also supports LAN and Internet multiplayer, both co-operative and competitive, for up to 255 players. OpenTTD duplicates most of Transport Tycoon Deluxe 's features but also has many additions, including a range of map sizes, support for many languages, custom (user-made) AI, downloadable customizations, ports for several widely used operating systems, and a more user friendly interface. It is an "urban planning and simulation game" in which the player aims to earn money through transportation of passengers and freight by land, water and air. OpenTTD is an open source remake and expansion of the 1995 Chris Sawyer video game Transport Tycoon Deluxe. A screenshot of OpenTTD, with the OpenGFX graphics set
