SOC file extension - Sonic Object configuration file
What is soc file? How to open soc files?
File type specification:
The SOC file extension is also used for Sonic Object configuration files. SOCs are just text files, they may be created by simply loading Notepad or a similar text editor, and saving the file with the extension .soc.
SOC is a basic "language" for addons and such to SRB2 that allow the modder to change many things from objects, to behaviors, to visuals and such like that