In CS 1.6, the game renders graphics using the OpenGL API. The opengl32.dll file is a dynamic link library that tells the game how to draw textures, models, and environments.
Move the file into your main Counter-Strike folder (where hl.exe is located). Do not replace the system file in C:\Windows\System32 . cs 16 opengl32dll wallhack f1 work
To be clear: