When a RAR file is created as "solid," the archiver treats all the files inside as one continuous stream of data rather than individual pieces.

If you are seeing a "solid text" error or prompt, it usually means your extraction tool is confirming that it needs to process the entire volume to reach your files. Solid split RAR file checksum error · Issue #1910 - GitHub

You cannot easily extract a single file from the middle of a solid archive without the computer processing all the data that comes before it.

Since this is a archive (marked by .part1.rar ), you must have all the other parts (e.g., .part2.rar , .part3.rar ) in the same folder to extract it. Once you have all parts, simply right-click the first one and select "Extract here" using a tool like WinRAR or 7-Zip .

This method allows for a much higher compression ratio, which is why FitGirl repacks are significantly smaller than the original game files.