Major update

Major Update #2 - Migrated the game to a newer engine version

Trans-Siberian Railway Simulator: Prologue · published 16 Jun 2025, 11:43 UTC · build 18880794

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We’ve finally migrated the game to a newer engine version. Thanks to this, nircmd and the extra executable file are no longer needed to run the game on 10th-gen Intel CPUs and newer.

In addition, a series of fixes have been implemented that were applied in the Early Access version. Examples below:

Day-Night Cycle & Random Weather Variation

Added a dynamic weather system with snow and fog.
Added snowflake effects on the locomotive’s front windows during snowfall.
Fixed the sun’s movement across the sky, improving sunrise and sunset positions.
Adjusted day-night lighting.

Performance

Significantly improved performance of the Measurement Apparatus illumination.
Optimised Buffer Lights and flashlights.
Improved overall lighting performance.

Bug Fixes

Fixed a bug where the glass could clip into the camera while drinking at the bar.
Reduced the frequency of navigation-system-related crashes.
And much more.

If you haven't already, we encourage you to purchase early access, which is constantly being developed. The full route from Novosibirsk to Krasnoyarsk - approximately 840 kilometers - is already completed! Thank you for your support!

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Major update5 Jun 2026Optimized the gameOptimized the locomotive. Improved performance while driving. · Optimized large railway stations. · Fixed unresponsive NPCs at Novosibirsk-Glavny. · Fixed disappearing trees in several locations. Please let us know if you’ve noticed any difference in performance and whether everything is running well now. Support the game's development and join Early Access today!In-game event17 Apr 2026Locomotive Repair and Inventory ImprovementsAdded the option to let the mechanic fully repair the locomotive in the hangar. · Added part stacking in the inventory for parts with the same wear level. · Added ammo count display in the inventory. · Added the ability to sell multiple items at once. Support the game's development and join Early Access today! Explore over 800 km of railway routes.In-game event25 Mar 2026Improved train physicsAdded uphill and downhill train physics · Fixed a bug preventing the train from reaching speeds above 100 km/h Support the game's development and jump into Early Access now! Explore around 840 km of routes. Thank you!