At its core, is a standard Windows system library that allows applications to communicate with your graphics card to render 2D and 3D images. In CS 1.6, a "wallhack" using this file isn't usually a separate program but a modified version of this driver file.
Because the OpenGL library only operates on the player's computer (the client), the server often has no immediate way of knowing the player's visuals have been altered. Risks and Detection cs 16 wallhack opengl32dll
Even though CS 1.6 is an older title, Valve Anti-Cheat (VAC) still monitors for modified core libraries. Using a known hacked DLL on a VAC-secured server usually leads to a permanent ban. At its core, is a standard Windows system