Need Modding Tutorial

Hello, MPGH
like the subject upside, here i need somebody who knows how to make a modding for SKILL Special Force 2
today, i try to unpack .upk file from this game ( Default on C:\......\CookedPCConsole\, CMIIW )
and i get something like this ( picture on attch )

But, i don't know what to do next, so i need tutorial how to make any modding in this game
thanks a lot and sorry for my bad english


Regards,


Navsky

I know how to mod sf2 (.upk) files. its easy. You dont need to extract them.
just edit it with Hex editor. watch tut for hex and call me