OpenTTD, the open source implementation of Transport Tycoon Deluxe, has been released in version 15.1.

OpenTTD 15.1

2026-01-24
Posted by 2TallTyler

Brr, it’s cold out, especially in the subarctic climate where we’ve been testing some snowy bugfixes.

Yes, it’s time for a bug fixing release, OpenTTD 15.1. The list of fixes include:

Trees grow on partially-snowy tiles again
Town cargo graphs show correct dates
The online content list no longer loses name and version at some font sizes
A variety of other bugfixes, including a critical security fix; see the full changelog for more details

Full changelog: https://cdn.openttd.org/openttd-releases/15.1/changelog.md
Downloads: https://www.openttd.org/downloads/openttd-releases/latest.html