Explore the British railway network in stunning 3D detail.
RAILSIM is an immersive trainspotting simulator. Recreate iconic British routes, master realistic locomotive physics, and build custom lines to share with our community of rail enthusiasts.

Simulator Modules:
Realistic UK Rail Physics
Master authentic locomotive handling with high-fidelity physics, signal logic, and dynamic weather across the British network.
Custom Line Design
Construct your own rail lines, place signals, and design scenery to recreate your favorite local trainspotting spots.
Authentic UK Models
Explore a vast library of detailed British locomotives, from historic steam engines to modern electric passenger trains.
RAIL SIMULATION CAPABILITIES
Explore the British railway network with precision engineering, custom route design tools, and immersive 3D environments.

Technical Details
- Dynamic rail friction and weather impact
- Authentic signal and safety system logic
- Detailed cab instrumentation and controls

Technical Details
- Drag-and-drop track and signal placement
- Customizable station layouts and platforms
- Expansive terrain and scenery toolsets

Technical Details
- Seamless route sharing and downloading
- Community-driven line discovery portal
- Social interaction for rail enthusiasts

Technical Details
- Dynamic weather and lighting systems
- High-fidelity 3D locomotive models
- Authentic British countryside aesthetics
START YOUR JOURNEY
Download the simulator and begin exploring the British railway network today.
Browse Collections
Explore our UK rail network packs, locomotive models, and custom route assets.
Immersive UK Rail Simulation
Explore the British railway network with unmatched detail. Build custom lines, master locomotive physics, and join a global community of rail enthusiasts.
Authentic Rail Experience
Our engine delivers high-precision locomotive models and expansive UK scenery. Every route is built to reflect real-world track layouts and signal operations.
BUILD YOUR OWN UK RAIL LINES
Explore the British railway network with high-precision physics. Design custom routes, share your lines with the community, and relive iconic rail journeys in our immersive 3D simulator.