File System Standard IO (Version 12)
This library is needed to run the old 2005 version of Half-Life 2 Deathmatch. It is possible that other Source games will run with this library too.
Screenshot
Build
For Visual Studio 2019 or newer, run the following commands:
mkdir build
cd build
cmake -G "Visual Studio 17 2022" -A Win32 ..
For older version of Visual Studio and CMake version below 3.9, run the following commands:
mkdir build
cd build
cmake -G "Visual Studio 7 .NET 2003" ..