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Product Information

The Mullan Pass Expansion pack includes new locomotives, freight cars, and activities for the MRL Mullan Pass Route.  The nine new activities make up approximately 40 hours of gameplay.  There’s even a switching activity that takes over 7 hours to complete!  There’s bound to be plenty of added challenges to keep your mind sharp!

Please note: This product requires a 64-bit Windows Operating system. Due to memory requirements, it will not function with Open Rails running on a 32-bit version of Windows. Please review hardware requirements below.


  • 6 High Detail Locomotive models, including the unique BNSF ES44C4, MRL EMD SD45, and EMD GP40

  • Military Train, Ballast Train, and Talc Unit Train Movements

  • Accurate Cabviews and Physics

  • Daytime and Nightime Cabviews

  • High Quality 44khz Audio

  • Nine Challenging Activities

System Requirements

  • MRL Mullan Pass Route

  • Open Rails (1.5.1 or higher)

  • Microsoft® Windows Vista (64-bit), Windows 7 (64-bit), Windows 8 / 8.1 (64-bit), Windows 10 (64-bit) or Higher Only. 32-bit version of Windows are not-supported.

  • 280 MB of available hard disk space

  • Memory : 4 GB (Recommended)

  • Graphics Hardware : Minimum 128 MB dedicated video RAM with Pixel Shader 2.0, Recommended 256 MB RAM with Pixel Shader 3.0

  • Graphics Software : as provided by Windows. Open Rails currently uses DirectX® - version 9.0c

  • Sound : compatible with DirectX® - version 9.0c


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