Simulation Games

OpenTTD – open source simulation game based upon Transport Tycoon Deluxe

OpenTTD is a reimplementation of the Microprose game “Transport Tycoon Deluxe” with lots of new features and enhancements. The first Transport Tycoon (TT) game was released in 1994, with the release of Transport Tycoon Deluxe (TTD) following the next year.

You play the role of president of a start-up transport company in 1950, building railway, road, air and maritime transportation systems for commodities and people. The goal of the game is to outsmart your competition and become the game’s highest-ranking transport company by the year 2050.

There are many tools available to build transport routes, including ability to fully modify the landscape. Each town has a Local Authority which tries to prevent the player from excessive terraforming.

The data files of the original Transport Tycoon Deluxe for Windows/DOS were mandatory to play the game. But this is no longer the case. There are free and open alternatives, OpenGFX Readme, Sound Effects Replacement and OpenMSX, are also available and supported.

Features added to the original game include:

  • Bigger maps (up to 64 times in size).
  • An AI that is actually worthy of its name.
  • Stable multiplayer mode for up to 8 players on LAN or Internet.
  • Dedicated server mode and an in-game console for administration.
  • New pathfinding algorithms that makes vehicles go where you want them to.
  • Autorail build tool, improved terraforming.
  • Crossing tunnels.
  • Canals, shiplifts.
  • Larger, non-uniform stations and the ability to join them together (of same width or length).
  • Real checkpoints instead of dummy one-tile stations.
  • Mammoth and multi-headed trains.
  • Clone, autoreplace and autoupdate vehicles.
  • Build on slopes and coasts.
  • “Go to depot” orders, check orders and view order destinations.
  • Order sharing and copying.
  • Longer and higher bridges including 2 new ones.
  • Reworked airport system with 2 more airports (international and metropolitan).
  • Presignals, semaphores.
  • Preliminary support for TTDPatch newgrf features.
  • Build many trees on one tile.
  • Bribe the town authority.
  • Timetables.
  • Group management of vehicles.
  • Trams.
  • Lots and lots of patch- and configuration settings to tune the game.
  • Save games with zlib compression for smaller sizes which does not interrupt gameplay.
  • Big support for internationalisation. OpenTTD is already translated into more than 24 languages.
  • Dynamically created town-names in 18 languages.

Support: Wiki, GitHub
Developer: The OpenTTD team
License: GNU General Public License v2.0


OpenTTD is written in C++. Learn C++ with our recommended free books and free tutorials.

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