OpenTTD, the open source implementation of Transport Tycoon Deluxe, has been released in version 15.0.

OpenTTD 15.0

2026-01-01
Posted by 2TallTyler

New Year, New You, New OpenTTD!

OpenTTD 15 is now out and ready for you to play!

New features include:

Companies in multiplayer no longer have passwords, invite specific players using buttons in the Online Players list instead
Island maps can be surrounded by infinite water instead of void
Rivers can end in wetlands if unable to reach sea
Bridges can be placed over stations and road stops
Roads can now have waypoints
Houses can be placed manually
Industries and towns have graphs of their cargo history
Improvements to menus, including a new main menu and a combined game options and settings window
Many more features, changes, and fixes

Full changelog: https://cdn.openttd.org/openttd-releases/15.0/changelog.md
Downloads: https://www.openttd.org/downloads/openttd-releases/latest.html

Happy new Year :)