Train Sim World® 6: Thames Valley: Windsor, Henley & Marlow Branch Lines Add-On

Overview

Train Sim World® 6: Thames Valley: Windsor, Henley & Marlow Branch Lines Add-On is a Steam DLC connected to Train Sim World® 6. It was prepared by Incredible Trains, published by Dovetail Games - TSW, and released on Jul 21, 2026. This page focuses on the store listing, screenshots, price, requirements, and its relationship to the main game rather than presenting it as a normal live-player game.

Store reviews and relationship

Train Sim World® 6: Thames Valley: Windsor, Henley & Marlow Branch Lines Add-On is a DLC, so player-count observations and tracked peak are not meaningful in the same way they are for a base game. The useful signals here are reviews, store recommendations, price, platform support, and the link back to Train Sim World® 6.

Language and system requirements

Train Sim World® 6: Thames Valley: Windsor, Henley & Marlow Branch Lines Add-On is available in 2 languages including:

3 regional rating boards including dejus, steam germany, and igrs. Steam has not published complete Windows, macOS, and Linux requirement text for this game yet.

Recommendations and store value

Train Sim World® 6: Thames Valley: Windsor, Henley & Marlow Branch Lines Add-On has recommendation data pending. Twitch streaming and unit-sales estimates usually belong on the parent game page, while this page is better for checking the DLC, price, media, and store details.

Train Sim World® 6: Thames Valley: Windsor, Henley & Marlow Branch Lines Add-On overview details

Train Sim World® 6: Thames Valley: Windsor, Henley & Marlow Branch Lines Add-On is tracked as Steam Store content with pricing, reviews, packages, media, requirements, and its relationship to the parent app.

Steam Store description

What's New? About the Game Token-up and tackle a trifecta of Thames Valley duties as no less than 3 routes - the Windsor, Marlow and Henley branch lines – arrive in Train Sim World courtesy of Incredible Trains! Expand your Great Western experience and hop across an iconic trio of tracks aboard Networker Turbo traction. The Windsor Branch Once operated by the Metropolitan Railway, the branch to Windsor & Eton Central opened to provide connecting traffic to the iconic royal town. While the shortest of the 3 branches, its elevated tracks curving round and right up to Castle Hill, the public entrance to Windsor Castle, has made it a very popular and busy route. The Marlow Branch The Marlow branch of the Great Western is an amalgamation of two historical routes, the Great Marlow Railway, and what remains of the Wycombe Railway. While originally built as a connection between the GWR and Chiltern main lines, today the tracks are curtailed at the aptly named Bourne End, where services then change ends to serve Marlow, a shuttle affectionately known as the Marlow Donkey. The Henley Branch Referred to as the Regatta Line, the branch to Henley came about largely due to the proximity of the Thames, where riverside towns became a common sight. With the mainline through Twyford already in situ, the locals demanded a direct connection, and today, the near-straight branch still stands in its entirety and is at its busiest during riverside events. In a first for Train Sim World, explore 3 distinct, historic and operationally independent branches combined into a single package. Work ea…

SteamPulse editorial summary

Train Sim World® 6: Thames Valley: Windsor, Henley & Marlow Branch Lines Add-On is listed as a DLC with $17.99. It supports Windows, belongs to Single-player, Downloadable Content, Steam Achievements, Camera Comfort, Custom Volume Controls, Playable without Timed Input, Subtitle Options, and Partial Controller Support, and is associated with Simulation. Because it is a DLC, SteamPulse focuses on its Store listing, relationship to the parent app, media, packages, and metadata rather than treating it like a standalone concurrency page.

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.