Bonelab.v25.01.2023.part1.rar -

Open only part1.rar using a tool like WinRAR or 7-Zip. It will automatically pull data from the other parts to recreate the full folder.

Since this file naming convention is common on third-party sites: BONELAB.v25.01.2023.part1.rar

You must have every part (e.g., part1, part2, part3) in the same folder before extracting. Open only part1

Always scan .exe or .dll files within these archives using updated antivirus software. BONELAB.v25.01.2023.part1.rar

.part1.rar indicates it is the first piece of a multi-part compressed folder. Important Instructions for Split Archives To use this file, you generally need to follow these steps:

Likely the update released around January 25, 2023.

The safest and most stable way to play BONELAB is through the Meta Store or Steam .