While not strictly wallhacks, these modify lighting functions (like glDisable(GL_LIGHTING) ) to make player models glow brightly in dark corners, removing tactical shadows. The Evolution of Anti-Cheat Detection
One of the most famous variants was known as the "ASUS wallhack." Instead of making walls completely invisible, it rendered the map architecture as a wireframe grid or semi-transparent material. This allowed the user to see enemy positions while still retaining enough environmental awareness to navigate the map without bumping into invisible obstacles. The Appeal and the "Top" Exploits of the Era opengl wallhack cs 16 top