Likely the update released around January 25, 2023.
If you are looking for mods rather than the game itself, use mod.io , which is the officially supported platform for BONELAB content.
.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: BONELAB.v25.01.2023.part1.rar
If you tell me (e.g., install a mod, update the game, or fix an extraction error), I can give you more specific help.
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. Likely the update released around January 25, 2023
You must have every part (e.g., part1, part2, part3) in the same folder before extracting.
Always scan .exe or .dll files within these archives using updated antivirus software. Important Instructions for Split Archives To use this
If you get a "Checksum error," it usually means one of the parts was downloaded incorrectly. ⚠️ Safety & Authenticity