Train Sim World 6: Frankfurt S-Bahn: S1, S8 & S9 Route Add-On brings the bustling commuter rail network of Frankfurt to life in this detailed train simulation add-on for PC. As a simulation title, it puts you in the driver's seat of modern electric multiple units and locomotives, navigating real-world routes through urban and suburban landscapes. Players take on the role of a train operator managing services on the S1, S8, and S9 lines, which span about 95 kilometers and include 26 stations. Set around 2018, the add-on captures the essence of the Rhein-Main S-Bahn system, complete with day and night operations that reflect the network's 24/7 service in key areas.
Gameplay
In this train simulation, the core experience revolves around operating trains with realistic physics and controls. You handle acceleration, braking, and speed management while adhering to signals and schedules. The driving cabs are modeled with high detail, offering true-to-life performance and handling characteristics powered by a proprietary vehicle dynamics engine. Players must manage passenger services, dealing with varying weather and time-of-day conditions that affect visibility and operations. Additional elements include route tasks where you complete specific objectives at stations, and the ability to customize liveries or formations for a personalized touch.
Beyond basic driving, the simulation incorporates authentic service patterns, including criss-crossing paths along the Rhine and connections to Frankfurt Airport. You can drive the DB BR 430 and DB BR 423 electric multiple units, or the DB BR 143 locomotive with double-decker coaches, each in the distinctive DB red livery. The focus remains on precision and realism, with no combat or action elements, making it ideal for those who enjoy methodical, immersive transport management.
Game Modes
The add-on offers several ways to engage with the content, starting with Timetabled Services that let you run hundreds of authentic schedules, including nighttime runs for round-the-clock operations. Scenarios provide structured challenges, such as specific journeys or operational tasks, while Free Roam allows unrestricted exploration of the routes and trains.
Journey Mode combines training modules, scenarios, and timetabled services into a progressive experience. Route Hopping extends the play by linking this add-on with compatible routes for longer trips, like a 320-kilometer journey across multiple lines. Tutorials in the Training Center help newcomers learn the controls and systems step by step.
Trains and Routes
The routes cover the S1 line along the Main river, and the S8 and S9 lines that pass through Frankfurt Airport before converging at Wiesbaden Hauptbahnhof. With multiple paths and branching services, the network feels dynamic and expansive. Available trains include the modern DB BR 430 for S-Bahn duties, the versatile DB BR 423, and the DB BR 143 with its push-pull coaches for regional operations.
Is It Worth Playing?
For enthusiasts of train simulations, this add-on delivers a solid experience with its detailed recreation of the Frankfurt S-Bahn network and realistic driving mechanics. It has received mixed feedback from players, with 52 percent positive reviews out of 19 on one platform, highlighting strengths in route variety and night services but noting some unchanged features from earlier releases. Released in August 2025, it remains supported as part of the ongoing Train Sim World series, with compatibility for custom content creation.
If you prefer in-depth simulations focused on rail operations and enjoy building long journeys across connected routes, it could be a worthwhile addition. However, those seeking fast-paced action or frequent updates might find it less appealing given the mixed reception and its niche appeal to simulation fans.