If you are attempting to roll back to an older version or are switching between branches, keep the following technical steps in mind to avoid crashes:
Historically, the developers used a "Beta" branch on Steam to test features like the "New Spline System" and improved physics before pushing them to the main game.
While third-party sites may host old "v220907" files, these are often pirated versions that break the game's End User License Agreement (EULA) and may contain malware. Using such versions can lead to your official license being revoked. Key Features of the v220907/v220917 Era Download RAILROADS Online v220907 OnLine
Older versions often fail to launch if they detect configuration files from newer updates. Renaming or deleting the AppData/Local/arr folder (after backing it up) is often required to ensure a clean startup.
During the late 2022 development cycle, several significant changes were introduced to the game's sandbox environment: If you are attempting to roll back to
This period saw the introduction of the "Waycar" (a bobber caboose with interactive interiors) and additional locomotives.
Save files are typically located at C:\Users\[YourName]\AppData\Local\arr\Saved\SaveGames . Key Features of the v220907/v220917 Era Older versions
Searching for "" primarily refers to a specific legacy beta build from September 2022. While it is no longer the current version of the game, it remains a point of interest for players looking for specific historical features or older building mechanics. Official Access and Availability