Derail Valley: North America DLC

Overview

A paid DLC with a new 256 km² US-inspired desert-valley map (mesas, pine mountains, more straight mainlines) and 6 fictional US-inspired locomotives. Altfuture is developing it alongside the free B100 update and lists it in the B100 section of its roadmap, which is aimed around the end of 2027; the DLC has no release date of its own.