OpenTTD — Play OpenTTD Online Free

The open-source reimplementation of Transport Tycoon Deluxe — lay rails, run fleets, and out-build rival companies, right in your browser.

Powered by OpenTTD · open source (GPL-2.0) · runs entirely on your device

OpenTTD is open source (GPL-2.0) by the OpenTTD team; this community WebAssembly build with free OpenGFX art is embedded unmodified from openttdonline.com.

Keyboard Controls

KeyAction
MouseEverything — build, demolish, order vehicles, open windows
ScrollZoom
ArrowsScroll the map
EscCancel the active tool

Quick Answer

OpenTTD is a free, open-source reimplementation of the classic Transport Tycoon Deluxe (GPL-2.0), and this page runs the full game in your browser via a community WebAssembly build — no download, no account. Build rail networks and shipping empires, grow cities, and beat rival AI companies. Games save to your device, and the graphics and sound come from the free OpenGFX basesets.

How It Works

1

Click Launch, then New Game and pick a map size and climate

2

Build a simple bus route between two towns to earn your first income

3

Reinvest into trains and cargo — connect industries for the big money

4

Save anytime from the main menu; your world stays in your browser

Key Facts

  • The definitive transport tycoon sim, open source since 2004
  • Complete single-player with AI competitor companies
  • Free OpenGFX/OpenSFX art — zero proprietary data
  • Mouse-driven with in-game tutorials and scenario editor
  • Saves persist locally in your browser between sessions

Frequently Asked Questions

What is OpenTTD?

OpenTTD is an open-source reimplementation of Chris Sawyer’s 1995 classic Transport Tycoon Deluxe, developed since 2004. It plays like the original turned up: the same company-vs-company transport economics, plus modern conveniences like bigger maps, better signalling, clone tools, and downloadable content. The engine is GPL-2.0; this build uses the free OpenGFX graphics set, so it requires no files from the commercial game.

Is this the full game in the browser?

Yes. The embedded WebAssembly build is the complete OpenTTD — single-player worlds, AI competitors, the scenario editor, and save/load all work. It is compiled from the open-source codebase by the community site hosting it and embedded here unmodified.

Where do my saves go?

Saves are written to your browser’s storage on your own device, exactly like a local copy of the game — nothing is uploaded. The host site also provides save import and export buttons if you want to move a save between browsers or machines.

Can I play multiplayer?

This embed is set up for single-player against the AI companies. OpenTTD does support online multiplayer servers, but joining them from the web build is limited — for reliable multiplayer the desktop version is the way to go. Single-player alone offers dozens of hours per map.