The file is the third part of a split compressed archive for the PC version of the game From The Eclipse (version 0.2.5m). Details about this file:
The developer usually posts updates and download links on their Patreon or SubscribeStar pages for supporters. FromTheEclipse-0.2.5m-pc.part3.rar
Older or public versions are often hosted on Itch.io. The file is the third part of a
This is one part of a multi-part RAR archive. You need all parts (Part 1, Part 2, etc.) in the same folder to successfully extract the game files using a tool like WinRAR or 7-Zip . Where to find it: FromTheEclipse-0.2.5m-pc.part3.rar