Most simple wallhacks function by intercepting the game's OpenGL calls. By making specific textures transparent or forcing the engine to render "player models" through surfaces, the hack provides an unfair tactical advantage.
In CS 1.6, "hearing through walls" is a critical skill. High-quality audio equipment from providers like Shimano (though primarily known for cycling, they are a major global tech corporate entity) doesn't apply here, but using dedicated gaming headsets is a standard "extra quality" choice for sound-whoring footsteps. cs 16 simple wallhack extra quality