Train Sim World 6: Arosalinie: Chur to Arosa

Train Sim World 6: Arosalinie: Chur – Arosa is a downloadable content (DLC) expansion developed by Rivet Games and published by Dovetail Games. Released on August 26, 2025, this DLC brings the scenic 26-kilometre Arosalinie route to Train Sim World 6, allowing players to experience the challenges and beauty of Switzerland's mountainous railways. The Arosalinie connects the capital of Graubünden Canton, Chur, to the ski resort town of Arosa, featuring steep gradients, tight curves, and iconic structures like the Langwieser Viaduct.

The route is operated by the Rhaetian Railway (RhB) and is known for its impressive engineering feats, including numerous tunnels and bridges. Players can drive the Ge 4/4 II electric locomotive, a staple of the RhB fleet, through the picturesque Schanfigg valley. The DLC offers a variety of services, from passenger trains to freight operations, providing a comprehensive experience of this iconic Swiss line.

Promotion for the Arosalinie DLC focused on its authenticity and the unique challenges posed by the route's mountainous terrain. Dovetail Games highlighted the detailed modeling of the Ge 4/4 II locomotive and the immersive Swiss landscapes, appealing to both rail enthusiasts and simulation fans. Marketing materials showcased the route's engineering marvels and scenic vistas, emphasizing the opportunity to experience one of Europe's most picturesque railways.

Reception of the Arosalinie DLC has been generally positive. Players have praised the route's challenging gradients and stunning visuals, noting the attention to detail in the locomotive and surrounding scenery. The inclusion of iconic structures like the Langwieser Viaduct has been particularly appreciated. However, some players have mentioned performance optimization concerns and the steep learning curve associated with the route's demanding operations. Despite these minor drawbacks, the DLC is considered a valuable addition for those seeking a more immersive and historically accurate experience in Train Sim World 6.