Because TSW3 has a large file size—often exceeding 50GB depending on the DLCs—it is common for third-party distributors or community backup sites to split the installer into smaller .rar parts (e.g., part1, part2, part3) for easier downloading.
The file Train.Sim.World.3.part3.rar is typically one segment of a multi-part compressed archive used to distribute (TSW3), a rail simulation game developed by Dovetail Games .
: A single .rar file (like part3) cannot be opened or installed on its own. You must have all parts (part1, part2, etc.) in the same folder to successfully extract the game. Train.Sim.World.3.part3.rar
: If the extraction stops and asks for the next volume, ensure all parts are named identically except for the part number (e.g., TSW3.part01.rar , TSW3.part02.rar ).
: When you begin extracting part1.rar using a tool like WinRAR or 7-Zip , the software automatically pulls data from the subsequent parts (including part3) to reconstruct the full installer. Because TSW3 has a large file size—often exceeding
For the most stable experience and access to official updates, it is highly recommended to download the game through official platforms like Steam or the Epic Games Store , where the game is managed as a single, verified installation.
: If you get a "CRC failed" error during extraction, part3.rar or another segment is likely corrupted and needs to be redownloaded. You must have all parts (part1, part2, etc
: TSW3 was released in September 2022 and introduced dynamic weather and improved lighting. Since then, the series has moved forward to newer versions like TSW4 and TSW5. Existing players can often transfer their content to newer versions via the TSW Free Starter Packs . Common Issues & Fixes